278500170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:536

約数の個数: 96

約数和(自身を含む): 730372032

約数和(自身を除く): 451871862

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 163, 169, 195, 326, 337, 338, 390, 489, 507, 674, 815, 845, 978, 1011, 1014, 1630, 1685, 1690, 2022, 2119, 2445, 2535, 3370, 4238, 4381, 4890, 5055, 5070, 6357, 8762, 10110, 10595, 12714, 13143, 21190, 21905, 26286, 27547, 31785, 43810, 54931, 55094, 56953, 63570, 65715, 82641, 109862, 113906, 131430, 137735, 164793, 165282, 170859, 274655, 275470, 284765, 329586, 341718, 413205, 549310, 569530, 714103, 823965, 826410, 854295, 1428206, 1647930, 1708590, 2142309, 3570515, 4284618, 7141030, 9283339, 10711545, 18566678, 21423090, 27850017, 46416695, 55700034, 92833390, 139250085, 278500170]

約数ペア:

[(1, 278500170), (2, 139250085), (3, 92833390), (5, 55700034), (6, 46416695), (10, 27850017), (13, 21423090), (15, 18566678), (26, 10711545), (30, 9283339), (39, 7141030), (65, 4284618), (78, 3570515), (130, 2142309), (163, 1708590), (169, 1647930), (195, 1428206), (326, 854295), (337, 826410), (338, 823965), (390, 714103), (489, 569530), (507, 549310), (674, 413205), (815, 341718), (845, 329586), (978, 284765), (1011, 275470), (1014, 274655), (1630, 170859), (1685, 165282), (1690, 164793), (2022, 137735), (2119, 131430), (2445, 113906), (2535, 109862), (3370, 82641), (4238, 65715), (4381, 63570), (4890, 56953), (5055, 55094), (5070, 54931), (6357, 43810), (8762, 31785), (10110, 27547), (10595, 26286), (12714, 21905), (13143, 21190)]