988339520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:429

約数の個数: 224

約数和(自身を含む): 2849611776

約数和(自身を除く): 1861272256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 43, 56, 62, 64, 70, 80, 86, 112, 124, 140, 155, 160, 172, 215, 217, 224, 248, 280, 301, 310, 320, 331, 344, 430, 434, 448, 496, 560, 602, 620, 662, 688, 860, 868, 992, 1085, 1120, 1204, 1240, 1324, 1333, 1376, 1505, 1655, 1720, 1736, 1984, 2170, 2240, 2317, 2408, 2480, 2648, 2666, 2752, 3010, 3310, 3440, 3472, 4340, 4634, 4816, 4960, 5296, 5332, 6020, 6620, 6665, 6880, 6944, 8680, 9268, 9331, 9632, 9920, 10261, 10592, 10664, 11585, 12040, 13240, 13330, 13760, 13888, 14233, 17360, 18536, 18662, 19264, 20522, 21184, 21328, 23170, 24080, 26480, 26660, 28466, 34720, 37072, 37324, 41044, 42656, 46340, 46655, 48160, 51305, 52960, 53320, 56932, 69440, 71165, 71827, 74144, 74648, 82088, 85312, 92680, 93310, 96320, 99631, 102610, 105920, 106640, 113864, 142330, 143654, 148288, 149296, 164176, 185360, 186620, 199262, 205220, 213280, 227728, 284660, 287308, 298592, 328352, 359135, 370720, 373240, 398524, 410440, 426560, 441223, 455456, 498155, 569320, 574616, 597184, 656704, 718270, 741440, 746480, 797048, 820880, 882446, 910912, 996310, 1138640, 1149232, 1436540, 1492960, 1594096, 1641760, 1764892, 1992620, 2206115, 2277280, 2298464, 2873080, 2985920, 3088561, 3188192, 3283520, 3529784, 3985240, 4412230, 4554560, 4596928, 5746160, 6177122, 6376384, 7059568, 7970480, 8824460, 11492320, 12354244, 14119136, 15442805, 15940960, 17648920, 22984640, 24708488, 28238272, 30885610, 31881920, 35297840, 49416976, 61771220, 70595680, 98833952, 123542440, 141191360, 197667904, 247084880, 494169760, 988339520]

約数ペア:

[(1, 988339520), (2, 494169760), (4, 247084880), (5, 197667904), (7, 141191360), (8, 123542440), (10, 98833952), (14, 70595680), (16, 61771220), (20, 49416976), (28, 35297840), (31, 31881920), (32, 30885610), (35, 28238272), (40, 24708488), (43, 22984640), (56, 17648920), (62, 15940960), (64, 15442805), (70, 14119136), (80, 12354244), (86, 11492320), (112, 8824460), (124, 7970480), (140, 7059568), (155, 6376384), (160, 6177122), (172, 5746160), (215, 4596928), (217, 4554560), (224, 4412230), (248, 3985240), (280, 3529784), (301, 3283520), (310, 3188192), (320, 3088561), (331, 2985920), (344, 2873080), (430, 2298464), (434, 2277280), (448, 2206115), (496, 1992620), (560, 1764892), (602, 1641760), (620, 1594096), (662, 1492960), (688, 1436540), (860, 1149232), (868, 1138640), (992, 996310), (1085, 910912), (1120, 882446), (1204, 820880), (1240, 797048), (1324, 746480), (1333, 741440), (1376, 718270), (1505, 656704), (1655, 597184), (1720, 574616), (1736, 569320), (1984, 498155), (2170, 455456), (2240, 441223), (2317, 426560), (2408, 410440), (2480, 398524), (2648, 373240), (2666, 370720), (2752, 359135), (3010, 328352), (3310, 298592), (3440, 287308), (3472, 284660), (4340, 227728), (4634, 213280), (4816, 205220), (4960, 199262), (5296, 186620), (5332, 185360), (6020, 164176), (6620, 149296), (6665, 148288), (6880, 143654), (6944, 142330), (8680, 113864), (9268, 106640), (9331, 105920), (9632, 102610), (9920, 99631), (10261, 96320), (10592, 93310), (10664, 92680), (11585, 85312), (12040, 82088), (13240, 74648), (13330, 74144), (13760, 71827), (13888, 71165), (14233, 69440), (17360, 56932), (18536, 53320), (18662, 52960), (19264, 51305), (20522, 48160), (21184, 46655), (21328, 46340), (23170, 42656), (24080, 41044), (26480, 37324), (26660, 37072), (28466, 34720)]