421687420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 192

約数和(自身を含む): 1164828672

約数和(自身を除く): 743141252

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 73, 77, 110, 121, 124, 140, 146, 154, 155, 217, 220, 242, 292, 308, 310, 341, 365, 385, 434, 484, 511, 605, 620, 682, 730, 770, 803, 847, 868, 1022, 1085, 1210, 1331, 1364, 1460, 1540, 1606, 1694, 1705, 2044, 2170, 2263, 2387, 2420, 2555, 2662, 3212, 3388, 3410, 3751, 4015, 4235, 4340, 4526, 4774, 5110, 5324, 5621, 6655, 6820, 7502, 8030, 8470, 8833, 9052, 9317, 9548, 10220, 11242, 11315, 11935, 13310, 15004, 15841, 16060, 16940, 17666, 18634, 18755, 22484, 22630, 23870, 24893, 26257, 26620, 28105, 31682, 35332, 37268, 37510, 41261, 44165, 45260, 46585, 47740, 49786, 52514, 56210, 61831, 63364, 75020, 79205, 82522, 88330, 93170, 97163, 99572, 105028, 112420, 123662, 124465, 131285, 158410, 165044, 174251, 176660, 186340, 194326, 206305, 247324, 248930, 262570, 273823, 288827, 309155, 316820, 348502, 388652, 412610, 485815, 497860, 525140, 547646, 577654, 618310, 680141, 697004, 825220, 871255, 971630, 1095292, 1155308, 1236620, 1360282, 1369115, 1444135, 1742510, 1916761, 1943260, 2720564, 2738230, 2888270, 3012053, 3400705, 3485020, 3833522, 5476460, 5776540, 6024106, 6801410, 7667044, 9583805, 12048212, 13602820, 15060265, 19167610, 21084371, 30120530, 38335220, 42168742, 60241060, 84337484, 105421855, 210843710, 421687420]

約数ペア:

[(1, 421687420), (2, 210843710), (4, 105421855), (5, 84337484), (7, 60241060), (10, 42168742), (11, 38335220), (14, 30120530), (20, 21084371), (22, 19167610), (28, 15060265), (31, 13602820), (35, 12048212), (44, 9583805), (55, 7667044), (62, 6801410), (70, 6024106), (73, 5776540), (77, 5476460), (110, 3833522), (121, 3485020), (124, 3400705), (140, 3012053), (146, 2888270), (154, 2738230), (155, 2720564), (217, 1943260), (220, 1916761), (242, 1742510), (292, 1444135), (308, 1369115), (310, 1360282), (341, 1236620), (365, 1155308), (385, 1095292), (434, 971630), (484, 871255), (511, 825220), (605, 697004), (620, 680141), (682, 618310), (730, 577654), (770, 547646), (803, 525140), (847, 497860), (868, 485815), (1022, 412610), (1085, 388652), (1210, 348502), (1331, 316820), (1364, 309155), (1460, 288827), (1540, 273823), (1606, 262570), (1694, 248930), (1705, 247324), (2044, 206305), (2170, 194326), (2263, 186340), (2387, 176660), (2420, 174251), (2555, 165044), (2662, 158410), (3212, 131285), (3388, 124465), (3410, 123662), (3751, 112420), (4015, 105028), (4235, 99572), (4340, 97163), (4526, 93170), (4774, 88330), (5110, 82522), (5324, 79205), (5621, 75020), (6655, 63364), (6820, 61831), (7502, 56210), (8030, 52514), (8470, 49786), (8833, 47740), (9052, 46585), (9317, 45260), (9548, 44165), (10220, 41261), (11242, 37510), (11315, 37268), (11935, 35332), (13310, 31682), (15004, 28105), (15841, 26620), (16060, 26257), (16940, 24893), (17666, 23870), (18634, 22630), (18755, 22484)]