50002780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 114808176

約数和(自身を除く): 64805396

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 211, 289, 340, 410, 422, 578, 697, 820, 844, 1055, 1156, 1394, 1445, 2110, 2788, 2890, 3485, 3587, 4220, 5780, 6970, 7174, 8651, 11849, 13940, 14348, 17302, 17935, 23698, 34604, 35870, 43255, 47396, 59245, 60979, 71740, 86510, 118490, 121958, 147067, 173020, 236980, 243916, 294134, 304895, 588268, 609790, 735335, 1219580, 1470670, 2500139, 2941340, 5000278, 10000556, 12500695, 25001390, 50002780]

約数ペア:

[(1, 50002780), (2, 25001390), (4, 12500695), (5, 10000556), (10, 5000278), (17, 2941340), (20, 2500139), (34, 1470670), (41, 1219580), (68, 735335), (82, 609790), (85, 588268), (164, 304895), (170, 294134), (205, 243916), (211, 236980), (289, 173020), (340, 147067), (410, 121958), (422, 118490), (578, 86510), (697, 71740), (820, 60979), (844, 59245), (1055, 47396), (1156, 43255), (1394, 35870), (1445, 34604), (2110, 23698), (2788, 17935), (2890, 17302), (3485, 14348), (3587, 13940), (4220, 11849), (5780, 8651), (6970, 7174)]