297969980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 803924352

約数和(自身を除く): 505954372

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 131, 140, 154, 196, 211, 220, 245, 262, 308, 385, 422, 490, 524, 539, 655, 770, 844, 917, 980, 1055, 1078, 1310, 1441, 1477, 1540, 1834, 2110, 2156, 2321, 2620, 2695, 2882, 2954, 3668, 4220, 4585, 4642, 5390, 5764, 5908, 6419, 7205, 7385, 9170, 9284, 10087, 10339, 10780, 11605, 12838, 14410, 14770, 16247, 18340, 20174, 20678, 23210, 25676, 27641, 28820, 29540, 32095, 32494, 40348, 41356, 46420, 50435, 51695, 55282, 64190, 64988, 70609, 81235, 100870, 103390, 110564, 113729, 128380, 138205, 141218, 162470, 193487, 201740, 206780, 227458, 276410, 282436, 304051, 324940, 353045, 386974, 454916, 552820, 568645, 608102, 706090, 773948, 967435, 1137290, 1216204, 1354409, 1412180, 1520255, 1934870, 2128357, 2274580, 2708818, 3040510, 3869740, 4256714, 5417636, 6081020, 6772045, 8513428, 10641785, 13544090, 14898499, 21283570, 27088180, 29796998, 42567140, 59593996, 74492495, 148984990, 297969980]

約数ペア:

[(1, 297969980), (2, 148984990), (4, 74492495), (5, 59593996), (7, 42567140), (10, 29796998), (11, 27088180), (14, 21283570), (20, 14898499), (22, 13544090), (28, 10641785), (35, 8513428), (44, 6772045), (49, 6081020), (55, 5417636), (70, 4256714), (77, 3869740), (98, 3040510), (110, 2708818), (131, 2274580), (140, 2128357), (154, 1934870), (196, 1520255), (211, 1412180), (220, 1354409), (245, 1216204), (262, 1137290), (308, 967435), (385, 773948), (422, 706090), (490, 608102), (524, 568645), (539, 552820), (655, 454916), (770, 386974), (844, 353045), (917, 324940), (980, 304051), (1055, 282436), (1078, 276410), (1310, 227458), (1441, 206780), (1477, 201740), (1540, 193487), (1834, 162470), (2110, 141218), (2156, 138205), (2321, 128380), (2620, 113729), (2695, 110564), (2882, 103390), (2954, 100870), (3668, 81235), (4220, 70609), (4585, 64988), (4642, 64190), (5390, 55282), (5764, 51695), (5908, 50435), (6419, 46420), (7205, 41356), (7385, 40348), (9170, 32494), (9284, 32095), (10087, 29540), (10339, 28820), (10780, 27641), (11605, 25676), (12838, 23210), (14410, 20678), (14770, 20174), (16247, 18340)]