212613940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^3\times {\mathrm{163}}^1$

素因数の和:219

約数の個数: 144

約数和(自身を含む): 574789824

約数和(自身を除く): 362175884

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 121, 140, 154, 163, 196, 220, 242, 245, 308, 326, 385, 484, 490, 539, 605, 652, 770, 815, 847, 980, 1078, 1141, 1210, 1331, 1540, 1630, 1694, 1793, 2156, 2282, 2420, 2662, 2695, 3260, 3388, 3586, 4235, 4564, 5324, 5390, 5705, 5929, 6655, 7172, 7987, 8470, 8965, 9317, 10780, 11410, 11858, 12551, 13310, 15974, 16940, 17930, 18634, 19723, 22820, 23716, 25102, 26620, 29645, 31948, 35860, 37268, 39446, 39935, 46585, 50204, 59290, 62755, 65219, 78892, 79870, 87857, 93170, 98615, 118580, 125510, 130438, 138061, 159740, 175714, 186340, 197230, 216953, 251020, 260876, 276122, 326095, 351428, 394460, 433906, 439285, 552244, 652190, 690305, 867812, 878570, 966427, 1084765, 1304380, 1380610, 1518671, 1757140, 1932854, 2169530, 2761220, 3037342, 3865708, 4339060, 4832135, 6074684, 7593355, 9664270, 10630697, 15186710, 19328540, 21261394, 30373420, 42522788, 53153485, 106306970, 212613940]

約数ペア:

[(1, 212613940), (2, 106306970), (4, 53153485), (5, 42522788), (7, 30373420), (10, 21261394), (11, 19328540), (14, 15186710), (20, 10630697), (22, 9664270), (28, 7593355), (35, 6074684), (44, 4832135), (49, 4339060), (55, 3865708), (70, 3037342), (77, 2761220), (98, 2169530), (110, 1932854), (121, 1757140), (140, 1518671), (154, 1380610), (163, 1304380), (196, 1084765), (220, 966427), (242, 878570), (245, 867812), (308, 690305), (326, 652190), (385, 552244), (484, 439285), (490, 433906), (539, 394460), (605, 351428), (652, 326095), (770, 276122), (815, 260876), (847, 251020), (980, 216953), (1078, 197230), (1141, 186340), (1210, 175714), (1331, 159740), (1540, 138061), (1630, 130438), (1694, 125510), (1793, 118580), (2156, 98615), (2282, 93170), (2420, 87857), (2662, 79870), (2695, 78892), (3260, 65219), (3388, 62755), (3586, 59290), (4235, 50204), (4564, 46585), (5324, 39935), (5390, 39446), (5705, 37268), (5929, 35860), (6655, 31948), (7172, 29645), (7987, 26620), (8470, 25102), (8965, 23716), (9317, 22820), (10780, 19723), (11410, 18634), (11858, 17930), (12551, 16940), (13310, 15974)]