81310150

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^3\times {\mathrm{331}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 161172720

約数和(自身を除く): 79862570

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 289, 331, 425, 578, 662, 850, 1445, 1655, 2890, 3310, 4913, 5627, 7225, 8275, 9826, 11254, 14450, 16550, 24565, 28135, 49130, 56270, 95659, 122825, 140675, 191318, 245650, 281350, 478295, 956590, 1626203, 2391475, 3252406, 4782950, 8131015, 16262030, 40655075, 81310150]

約数ペア:

[(1, 81310150), (2, 40655075), (5, 16262030), (10, 8131015), (17, 4782950), (25, 3252406), (34, 2391475), (50, 1626203), (85, 956590), (170, 478295), (289, 281350), (331, 245650), (425, 191318), (578, 140675), (662, 122825), (850, 95659), (1445, 56270), (1655, 49130), (2890, 28135), (3310, 24565), (4913, 16550), (5627, 14450), (7225, 11254), (8275, 9826)]