704339840

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:452

約数の個数: 128

約数和(自身を含む): 1757859840

約数和(自身を除く): 1053520000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 131, 155, 160, 248, 262, 271, 310, 320, 496, 524, 542, 620, 640, 655, 992, 1048, 1084, 1240, 1310, 1355, 1984, 2096, 2168, 2480, 2620, 2710, 3968, 4061, 4192, 4336, 4960, 5240, 5420, 8122, 8384, 8401, 8672, 9920, 10480, 10840, 16244, 16768, 16802, 17344, 19840, 20305, 20960, 21680, 32488, 33604, 34688, 35501, 40610, 41920, 42005, 43360, 64976, 67208, 71002, 81220, 83840, 84010, 86720, 129952, 134416, 142004, 162440, 168020, 173440, 177505, 259904, 268832, 284008, 324880, 336040, 355010, 519808, 537664, 568016, 649760, 672080, 710020, 1075328, 1100531, 1136032, 1299520, 1344160, 1420040, 2201062, 2272064, 2599040, 2688320, 2840080, 4402124, 4544128, 5376640, 5502655, 5680160, 8804248, 11005310, 11360320, 17608496, 22010620, 22720640, 35216992, 44021240, 70433984, 88042480, 140867968, 176084960, 352169920, 704339840]

約数ペア:

[(1, 704339840), (2, 352169920), (4, 176084960), (5, 140867968), (8, 88042480), (10, 70433984), (16, 44021240), (20, 35216992), (31, 22720640), (32, 22010620), (40, 17608496), (62, 11360320), (64, 11005310), (80, 8804248), (124, 5680160), (128, 5502655), (131, 5376640), (155, 4544128), (160, 4402124), (248, 2840080), (262, 2688320), (271, 2599040), (310, 2272064), (320, 2201062), (496, 1420040), (524, 1344160), (542, 1299520), (620, 1136032), (640, 1100531), (655, 1075328), (992, 710020), (1048, 672080), (1084, 649760), (1240, 568016), (1310, 537664), (1355, 519808), (1984, 355010), (2096, 336040), (2168, 324880), (2480, 284008), (2620, 268832), (2710, 259904), (3968, 177505), (4061, 173440), (4192, 168020), (4336, 162440), (4960, 142004), (5240, 134416), (5420, 129952), (8122, 86720), (8384, 84010), (8401, 83840), (8672, 81220), (9920, 71002), (10480, 67208), (10840, 64976), (16244, 43360), (16768, 42005), (16802, 41920), (17344, 40610), (19840, 35501), (20305, 34688), (20960, 33604), (21680, 32488)]