49297280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 130870080

約数和(自身を除く): 81572800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 115, 128, 136, 160, 170, 184, 197, 230, 272, 320, 340, 368, 391, 394, 460, 544, 640, 680, 736, 782, 788, 920, 985, 1088, 1360, 1472, 1564, 1576, 1840, 1955, 1970, 2176, 2720, 2944, 3128, 3152, 3349, 3680, 3910, 3940, 4531, 5440, 6256, 6304, 6698, 7360, 7820, 7880, 9062, 10880, 12512, 12608, 13396, 14720, 15640, 15760, 16745, 18124, 22655, 25024, 25216, 26792, 31280, 31520, 33490, 36248, 45310, 50048, 53584, 62560, 63040, 66980, 72496, 77027, 90620, 107168, 125120, 126080, 133960, 144992, 154054, 181240, 214336, 250240, 267920, 289984, 308108, 362480, 385135, 428672, 535840, 579968, 616216, 724960, 770270, 1071680, 1232432, 1449920, 1540540, 2143360, 2464864, 2899840, 3081080, 4929728, 6162160, 9859456, 12324320, 24648640, 49297280]

約数ペア:

[(1, 49297280), (2, 24648640), (4, 12324320), (5, 9859456), (8, 6162160), (10, 4929728), (16, 3081080), (17, 2899840), (20, 2464864), (23, 2143360), (32, 1540540), (34, 1449920), (40, 1232432), (46, 1071680), (64, 770270), (68, 724960), (80, 616216), (85, 579968), (92, 535840), (115, 428672), (128, 385135), (136, 362480), (160, 308108), (170, 289984), (184, 267920), (197, 250240), (230, 214336), (272, 181240), (320, 154054), (340, 144992), (368, 133960), (391, 126080), (394, 125120), (460, 107168), (544, 90620), (640, 77027), (680, 72496), (736, 66980), (782, 63040), (788, 62560), (920, 53584), (985, 50048), (1088, 45310), (1360, 36248), (1472, 33490), (1564, 31520), (1576, 31280), (1840, 26792), (1955, 25216), (1970, 25024), (2176, 22655), (2720, 18124), (2944, 16745), (3128, 15760), (3152, 15640), (3349, 14720), (3680, 13396), (3910, 12608), (3940, 12512), (4531, 10880), (5440, 9062), (6256, 7880), (6304, 7820), (6698, 7360)]