201556420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1541

約数の個数: 96

約数和(自身を含む): 498548736

約数和(自身を除く): 296992316

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 31, 34, 52, 62, 65, 68, 85, 124, 130, 155, 170, 221, 260, 310, 340, 403, 442, 527, 620, 806, 884, 1054, 1105, 1471, 1612, 2015, 2108, 2210, 2635, 2942, 4030, 4420, 5270, 5884, 6851, 7355, 8060, 10540, 13702, 14710, 19123, 25007, 27404, 29420, 34255, 38246, 45601, 50014, 68510, 76492, 91202, 95615, 100028, 125035, 137020, 182404, 191230, 228005, 250070, 325091, 382460, 456010, 500140, 592813, 650182, 775217, 912020, 1185626, 1300364, 1550434, 1625455, 2371252, 2964065, 3100868, 3250910, 3876085, 5928130, 6501820, 7752170, 10077821, 11856260, 15504340, 20155642, 40311284, 50389105, 100778210, 201556420]

約数ペア:

[(1, 201556420), (2, 100778210), (4, 50389105), (5, 40311284), (10, 20155642), (13, 15504340), (17, 11856260), (20, 10077821), (26, 7752170), (31, 6501820), (34, 5928130), (52, 3876085), (62, 3250910), (65, 3100868), (68, 2964065), (85, 2371252), (124, 1625455), (130, 1550434), (155, 1300364), (170, 1185626), (221, 912020), (260, 775217), (310, 650182), (340, 592813), (403, 500140), (442, 456010), (527, 382460), (620, 325091), (806, 250070), (884, 228005), (1054, 191230), (1105, 182404), (1471, 137020), (1612, 125035), (2015, 100028), (2108, 95615), (2210, 91202), (2635, 76492), (2942, 68510), (4030, 50014), (4420, 45601), (5270, 38246), (5884, 34255), (6851, 29420), (7355, 27404), (8060, 25007), (10540, 19123), (13702, 14710)]