199790780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 493202304

約数和(自身を除く): 293411524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 113, 140, 146, 173, 226, 292, 346, 365, 452, 511, 565, 692, 730, 791, 865, 1022, 1130, 1211, 1460, 1582, 1730, 2044, 2260, 2422, 2555, 3164, 3460, 3955, 4844, 5110, 6055, 7910, 8249, 10220, 12110, 12629, 15820, 16498, 19549, 24220, 25258, 32996, 39098, 41245, 50516, 57743, 63145, 78196, 82490, 88403, 97745, 115486, 126290, 136843, 164980, 176806, 195490, 230972, 252580, 273686, 288715, 353612, 390980, 442015, 547372, 577430, 684215, 884030, 1154860, 1368430, 1427077, 1768060, 2736860, 2854154, 5708308, 7135385, 9989539, 14270770, 19979078, 28541540, 39958156, 49947695, 99895390, 199790780]

約数ペア:

[(1, 199790780), (2, 99895390), (4, 49947695), (5, 39958156), (7, 28541540), (10, 19979078), (14, 14270770), (20, 9989539), (28, 7135385), (35, 5708308), (70, 2854154), (73, 2736860), (113, 1768060), (140, 1427077), (146, 1368430), (173, 1154860), (226, 884030), (292, 684215), (346, 577430), (365, 547372), (452, 442015), (511, 390980), (565, 353612), (692, 288715), (730, 273686), (791, 252580), (865, 230972), (1022, 195490), (1130, 176806), (1211, 164980), (1460, 136843), (1582, 126290), (1730, 115486), (2044, 97745), (2260, 88403), (2422, 82490), (2555, 78196), (3164, 63145), (3460, 57743), (3955, 50516), (4844, 41245), (5110, 39098), (6055, 32996), (7910, 25258), (8249, 24220), (10220, 19549), (12110, 16498), (12629, 15820)]