212300820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 669247488

約数和(自身を除く): 456946668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 127, 148, 180, 185, 222, 251, 254, 333, 370, 381, 444, 502, 508, 555, 635, 666, 740, 753, 762, 1004, 1110, 1143, 1255, 1270, 1332, 1506, 1524, 1665, 1905, 2220, 2259, 2286, 2510, 2540, 3012, 3330, 3765, 3810, 4518, 4572, 4699, 5020, 5715, 6660, 7530, 7620, 9036, 9287, 9398, 11295, 11430, 14097, 15060, 18574, 18796, 22590, 22860, 23495, 27861, 28194, 31877, 37148, 42291, 45180, 46435, 46990, 55722, 56388, 63754, 70485, 83583, 84582, 92870, 93980, 95631, 111444, 127508, 139305, 140970, 159385, 167166, 169164, 185740, 191262, 211455, 278610, 281940, 286893, 318770, 334332, 382524, 417915, 422910, 478155, 557220, 573786, 637540, 835830, 845820, 956310, 1147572, 1179449, 1434465, 1671660, 1912620, 2358898, 2868930, 3538347, 4717796, 5737860, 5897245, 7076694, 10615041, 11794490, 14153388, 17691735, 21230082, 23588980, 35383470, 42460164, 53075205, 70766940, 106150410, 212300820]

約数ペア:

[(1, 212300820), (2, 106150410), (3, 70766940), (4, 53075205), (5, 42460164), (6, 35383470), (9, 23588980), (10, 21230082), (12, 17691735), (15, 14153388), (18, 11794490), (20, 10615041), (30, 7076694), (36, 5897245), (37, 5737860), (45, 4717796), (60, 3538347), (74, 2868930), (90, 2358898), (111, 1912620), (127, 1671660), (148, 1434465), (180, 1179449), (185, 1147572), (222, 956310), (251, 845820), (254, 835830), (333, 637540), (370, 573786), (381, 557220), (444, 478155), (502, 422910), (508, 417915), (555, 382524), (635, 334332), (666, 318770), (740, 286893), (753, 281940), (762, 278610), (1004, 211455), (1110, 191262), (1143, 185740), (1255, 169164), (1270, 167166), (1332, 159385), (1506, 140970), (1524, 139305), (1665, 127508), (1905, 111444), (2220, 95631), (2259, 93980), (2286, 92870), (2510, 84582), (2540, 83583), (3012, 70485), (3330, 63754), (3765, 56388), (3810, 55722), (4518, 46990), (4572, 46435), (4699, 45180), (5020, 42291), (5715, 37148), (6660, 31877), (7530, 28194), (7620, 27861), (9036, 23495), (9287, 22860), (9398, 22590), (11295, 18796), (11430, 18574), (14097, 15060)]