154324180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{569}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 330946560

約数和(自身を除く): 176622380

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 191, 284, 355, 382, 569, 710, 764, 955, 1138, 1420, 1910, 2276, 2845, 3820, 5690, 11380, 13561, 27122, 40399, 54244, 67805, 80798, 108679, 135610, 161596, 201995, 217358, 271220, 403990, 434716, 543395, 807980, 1086790, 2173580, 7716209, 15432418, 30864836, 38581045, 77162090, 154324180]

約数ペア:

[(1, 154324180), (2, 77162090), (4, 38581045), (5, 30864836), (10, 15432418), (20, 7716209), (71, 2173580), (142, 1086790), (191, 807980), (284, 543395), (355, 434716), (382, 403990), (569, 271220), (710, 217358), (764, 201995), (955, 161596), (1138, 135610), (1420, 108679), (1910, 80798), (2276, 67805), (2845, 54244), (3820, 40399), (5690, 27122), (11380, 13561)]