129055240

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 297169200

約数和(自身を除く): 168113960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 193, 229, 292, 365, 386, 458, 584, 730, 772, 916, 965, 1145, 1460, 1544, 1832, 1930, 2290, 2920, 3860, 4580, 7720, 9160, 14089, 16717, 28178, 33434, 44197, 56356, 66868, 70445, 83585, 88394, 112712, 133736, 140890, 167170, 176788, 220985, 281780, 334340, 353576, 441970, 563560, 668680, 883940, 1767880, 3226381, 6452762, 12905524, 16131905, 25811048, 32263810, 64527620, 129055240]

約数ペア:

[(1, 129055240), (2, 64527620), (4, 32263810), (5, 25811048), (8, 16131905), (10, 12905524), (20, 6452762), (40, 3226381), (73, 1767880), (146, 883940), (193, 668680), (229, 563560), (292, 441970), (365, 353576), (386, 334340), (458, 281780), (584, 220985), (730, 176788), (772, 167170), (916, 140890), (965, 133736), (1145, 112712), (1460, 88394), (1544, 83585), (1832, 70445), (1930, 66868), (2290, 56356), (2920, 44197), (3860, 33434), (4580, 28178), (7720, 16717), (9160, 14089)]