202808980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 496202112

約数和(自身を除く): 293393132

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 211, 220, 257, 340, 374, 422, 514, 748, 844, 935, 1028, 1055, 1285, 1870, 2110, 2321, 2570, 2827, 3587, 3740, 4220, 4369, 4642, 5140, 5654, 7174, 8738, 9284, 11308, 11605, 14135, 14348, 17476, 17935, 21845, 23210, 28270, 35870, 39457, 43690, 46420, 48059, 54227, 56540, 71740, 78914, 87380, 96118, 108454, 157828, 192236, 197285, 216908, 240295, 271135, 394570, 480590, 542270, 596497, 789140, 921859, 961180, 1084540, 1192994, 1843718, 2385988, 2982485, 3687436, 4609295, 5964970, 9218590, 10140449, 11929940, 18437180, 20280898, 40561796, 50702245, 101404490, 202808980]

約数ペア:

[(1, 202808980), (2, 101404490), (4, 50702245), (5, 40561796), (10, 20280898), (11, 18437180), (17, 11929940), (20, 10140449), (22, 9218590), (34, 5964970), (44, 4609295), (55, 3687436), (68, 2982485), (85, 2385988), (110, 1843718), (170, 1192994), (187, 1084540), (211, 961180), (220, 921859), (257, 789140), (340, 596497), (374, 542270), (422, 480590), (514, 394570), (748, 271135), (844, 240295), (935, 216908), (1028, 197285), (1055, 192236), (1285, 157828), (1870, 108454), (2110, 96118), (2321, 87380), (2570, 78914), (2827, 71740), (3587, 56540), (3740, 54227), (4220, 48059), (4369, 46420), (4642, 43690), (5140, 39457), (5654, 35870), (7174, 28270), (8738, 23210), (9284, 21845), (11308, 17935), (11605, 17476), (14135, 14348)]