203428940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71129}}^1$

素因数の和:71162

約数の個数: 48

約数和(自身を含む): 501893280

約数和(自身を除く): 298464340

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 71129, 142258, 284516, 355645, 711290, 782419, 924677, 1422580, 1564838, 1849354, 3129676, 3698708, 3912095, 4623385, 7824190, 9246770, 10171447, 15648380, 18493540, 20342894, 40685788, 50857235, 101714470, 203428940]

約数ペア:

[(1, 203428940), (2, 101714470), (4, 50857235), (5, 40685788), (10, 20342894), (11, 18493540), (13, 15648380), (20, 10171447), (22, 9246770), (26, 7824190), (44, 4623385), (52, 3912095), (55, 3698708), (65, 3129676), (110, 1849354), (130, 1564838), (143, 1422580), (220, 924677), (260, 782419), (286, 711290), (572, 355645), (715, 284516), (1430, 142258), (2860, 71129)]