15709988420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3619813}}^1$

素因数の和:3619860

約数の個数: 48

約数和(自身を含む): 38920240128

約数和(自身を除く): 23210251708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 3619813, 7239626, 14479252, 18099065, 25338691, 36198130, 50677382, 72396260, 101354764, 112214203, 126693455, 224428406, 253386910, 448856812, 506773820, 561071015, 785499421, 1122142030, 1570998842, 2244284060, 3141997684, 3927497105, 7854994210, 15709988420]

約数ペア:

[(1, 15709988420), (2, 7854994210), (4, 3927497105), (5, 3141997684), (7, 2244284060), (10, 1570998842), (14, 1122142030), (20, 785499421), (28, 561071015), (31, 506773820), (35, 448856812), (62, 253386910), (70, 224428406), (124, 126693455), (140, 112214203), (155, 101354764), (217, 72396260), (310, 50677382), (434, 36198130), (620, 25338691), (868, 18099065), (1085, 14479252), (2170, 7239626), (4340, 3619813)]