28475970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:571

約数の個数: 64

約数和(自身を含む): 71850240

約数和(自身を除く): 43374270

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 71, 87, 142, 145, 174, 213, 290, 355, 426, 435, 461, 710, 870, 922, 1065, 1383, 2059, 2130, 2305, 2766, 4118, 4610, 6177, 6915, 10295, 12354, 13369, 13830, 20590, 26738, 30885, 32731, 40107, 61770, 65462, 66845, 80214, 98193, 133690, 163655, 196386, 200535, 327310, 401070, 490965, 949199, 981930, 1898398, 2847597, 4745995, 5695194, 9491990, 14237985, 28475970]

約数ペア:

[(1, 28475970), (2, 14237985), (3, 9491990), (5, 5695194), (6, 4745995), (10, 2847597), (15, 1898398), (29, 981930), (30, 949199), (58, 490965), (71, 401070), (87, 327310), (142, 200535), (145, 196386), (174, 163655), (213, 133690), (290, 98193), (355, 80214), (426, 66845), (435, 65462), (461, 61770), (710, 40107), (870, 32731), (922, 30885), (1065, 26738), (1383, 20590), (2059, 13830), (2130, 13369), (2305, 12354), (2766, 10295), (4118, 6915), (4610, 6177)]