1900211072

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{607}}^1\times {\mathrm{661}}^1$

素因数の和:1319

約数の個数: 64

約数和(自身を含む): 3900186240

約数和(自身を除く): 1999975168

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 296, 592, 607, 661, 1184, 1214, 1322, 2368, 2428, 2644, 4736, 4856, 5288, 9712, 10576, 19424, 21152, 22459, 24457, 38848, 42304, 44918, 48914, 77696, 84608, 89836, 97828, 179672, 195656, 359344, 391312, 401227, 718688, 782624, 802454, 1437376, 1565248, 1604908, 2874752, 3130496, 3209816, 6419632, 12839264, 14845399, 25678528, 29690798, 51357056, 59381596, 118763192, 237526384, 475052768, 950105536, 1900211072]

約数ペア:

[(1, 1900211072), (2, 950105536), (4, 475052768), (8, 237526384), (16, 118763192), (32, 59381596), (37, 51357056), (64, 29690798), (74, 25678528), (128, 14845399), (148, 12839264), (296, 6419632), (592, 3209816), (607, 3130496), (661, 2874752), (1184, 1604908), (1214, 1565248), (1322, 1437376), (2368, 802454), (2428, 782624), (2644, 718688), (4736, 401227), (4856, 391312), (5288, 359344), (9712, 195656), (10576, 179672), (19424, 97828), (21152, 89836), (22459, 84608), (24457, 77696), (38848, 48914), (42304, 44918)]