2771197780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:930

約数の個数: 144

約数和(自身を含む): 6736625280

約数和(自身を除く): 3965427500

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 43, 46, 52, 65, 86, 92, 115, 130, 169, 172, 215, 230, 260, 299, 338, 430, 460, 559, 598, 676, 829, 845, 860, 989, 1118, 1196, 1495, 1658, 1690, 1978, 2236, 2795, 2990, 3316, 3380, 3887, 3956, 4145, 4945, 5590, 5980, 7267, 7774, 8290, 9890, 10777, 11180, 12857, 14534, 15548, 16580, 19067, 19435, 19780, 21554, 25714, 29068, 35647, 36335, 38134, 38870, 43108, 51428, 53885, 64285, 71294, 72670, 76268, 77740, 95335, 107770, 128570, 140101, 142588, 145340, 167141, 178235, 190670, 215540, 247871, 257140, 280202, 334282, 356470, 381340, 463411, 495742, 560404, 668564, 700505, 712940, 819881, 835705, 926822, 991484, 1239355, 1401010, 1639762, 1671410, 1853644, 2317055, 2478710, 2802020, 3222323, 3279524, 3342820, 4099405, 4634110, 4957420, 6024343, 6444646, 8198810, 9268220, 10658453, 12048686, 12889292, 16111615, 16397620, 21316906, 24097372, 30121715, 32223230, 42633812, 53292265, 60243430, 64446460, 106584530, 120486860, 138559889, 213169060, 277119778, 554239556, 692799445, 1385598890, 2771197780]

約数ペア:

[(1, 2771197780), (2, 1385598890), (4, 692799445), (5, 554239556), (10, 277119778), (13, 213169060), (20, 138559889), (23, 120486860), (26, 106584530), (43, 64446460), (46, 60243430), (52, 53292265), (65, 42633812), (86, 32223230), (92, 30121715), (115, 24097372), (130, 21316906), (169, 16397620), (172, 16111615), (215, 12889292), (230, 12048686), (260, 10658453), (299, 9268220), (338, 8198810), (430, 6444646), (460, 6024343), (559, 4957420), (598, 4634110), (676, 4099405), (829, 3342820), (845, 3279524), (860, 3222323), (989, 2802020), (1118, 2478710), (1196, 2317055), (1495, 1853644), (1658, 1671410), (1690, 1639762), (1978, 1401010), (2236, 1239355), (2795, 991484), (2990, 926822), (3316, 835705), (3380, 819881), (3887, 712940), (3956, 700505), (4145, 668564), (4945, 560404), (5590, 495742), (5980, 463411), (7267, 381340), (7774, 356470), (8290, 334282), (9890, 280202), (10777, 257140), (11180, 247871), (12857, 215540), (14534, 190670), (15548, 178235), (16580, 167141), (19067, 145340), (19435, 142588), (19780, 140101), (21554, 128570), (25714, 107770), (29068, 95335), (35647, 77740), (36335, 76268), (38134, 72670), (38870, 71294), (43108, 64285), (51428, 53885)]