420450772

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{127}}^2$

素因数の和:298

約数の個数: 72

約数和(自身を含む): 910392000

約数和(自身を除く): 489941228

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 127, 133, 196, 254, 266, 343, 508, 532, 686, 889, 931, 1372, 1778, 1862, 2413, 3556, 3724, 4826, 6223, 6517, 9652, 12446, 13034, 16129, 16891, 24892, 26068, 32258, 33782, 43561, 64516, 67564, 87122, 112903, 118237, 174244, 225806, 236474, 306451, 451612, 472948, 612902, 790321, 827659, 1225804, 1580642, 1655318, 2145157, 3161284, 3310636, 4290314, 5532247, 8580628, 11064494, 15016099, 22128988, 30032198, 60064396, 105112693, 210225386, 420450772]

約数ペア:

[(1, 420450772), (2, 210225386), (4, 105112693), (7, 60064396), (14, 30032198), (19, 22128988), (28, 15016099), (38, 11064494), (49, 8580628), (76, 5532247), (98, 4290314), (127, 3310636), (133, 3161284), (196, 2145157), (254, 1655318), (266, 1580642), (343, 1225804), (508, 827659), (532, 790321), (686, 612902), (889, 472948), (931, 451612), (1372, 306451), (1778, 236474), (1862, 225806), (2413, 174244), (3556, 118237), (3724, 112903), (4826, 87122), (6223, 67564), (6517, 64516), (9652, 43561), (12446, 33782), (13034, 32258), (16129, 26068), (16891, 24892)]