358950020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{125507}}^1$

素因数の和:125540

約数の個数: 48

約数和(自身を含む): 885584448

約数和(自身を除く): 526634428

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, 125507, 251014, 502028, 627535, 1255070, 1380577, 1631591, 2510140, 2761154, 3263182, 5522308, 6526364, 6902885, 8157955, 13805770, 16315910, 17947501, 27611540, 32631820, 35895002, 71790004, 89737505, 179475010, 358950020]

約数ペア:

[(1, 358950020), (2, 179475010), (4, 89737505), (5, 71790004), (10, 35895002), (11, 32631820), (13, 27611540), (20, 17947501), (22, 16315910), (26, 13805770), (44, 8157955), (52, 6902885), (55, 6526364), (65, 5522308), (110, 3263182), (130, 2761154), (143, 2510140), (220, 1631591), (260, 1380577), (286, 1255070), (572, 627535), (715, 502028), (1430, 251014), (2860, 125507)]