28711890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:336

約数の個数: 96

約数和(自身を含む): 79252992

約数和(自身を除く): 50541102

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 41, 45, 62, 82, 90, 93, 123, 155, 186, 205, 246, 251, 279, 310, 369, 410, 465, 502, 558, 615, 738, 753, 930, 1230, 1255, 1271, 1395, 1506, 1845, 2259, 2510, 2542, 2790, 3690, 3765, 3813, 4518, 6355, 7530, 7626, 7781, 10291, 11295, 11439, 12710, 15562, 19065, 20582, 22590, 22878, 23343, 30873, 38130, 38905, 46686, 51455, 57195, 61746, 70029, 77810, 92619, 102910, 114390, 116715, 140058, 154365, 185238, 233430, 308730, 319021, 350145, 463095, 638042, 700290, 926190, 957063, 1595105, 1914126, 2871189, 3190210, 4785315, 5742378, 9570630, 14355945, 28711890]

約数ペア:

[(1, 28711890), (2, 14355945), (3, 9570630), (5, 5742378), (6, 4785315), (9, 3190210), (10, 2871189), (15, 1914126), (18, 1595105), (30, 957063), (31, 926190), (41, 700290), (45, 638042), (62, 463095), (82, 350145), (90, 319021), (93, 308730), (123, 233430), (155, 185238), (186, 154365), (205, 140058), (246, 116715), (251, 114390), (279, 102910), (310, 92619), (369, 77810), (410, 70029), (465, 61746), (502, 57195), (558, 51455), (615, 46686), (738, 38905), (753, 38130), (930, 30873), (1230, 23343), (1255, 22878), (1271, 22590), (1395, 20582), (1506, 19065), (1845, 15562), (2259, 12710), (2510, 11439), (2542, 11295), (2790, 10291), (3690, 7781), (3765, 7626), (3813, 7530), (4518, 6355)]