490201634

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 872847360

約数和(自身を除く): 382645726

約数列:

[1, 2, 13, 19, 26, 38, 43, 47, 86, 94, 247, 491, 494, 559, 611, 817, 893, 982, 1118, 1222, 1634, 1786, 2021, 4042, 6383, 9329, 10621, 11609, 12766, 18658, 21113, 21242, 23077, 23218, 26273, 38399, 42226, 46154, 52546, 76798, 121277, 242554, 274469, 300001, 401147, 438463, 499187, 548938, 600002, 802294, 876926, 992311, 998374, 1984622, 5214911, 5700019, 10429822, 11400038, 12900043, 18853909, 25800086, 37707818, 245100817, 490201634]

約数ペア:

[(1, 490201634), (2, 245100817), (13, 37707818), (19, 25800086), (26, 18853909), (38, 12900043), (43, 11400038), (47, 10429822), (86, 5700019), (94, 5214911), (247, 1984622), (491, 998374), (494, 992311), (559, 876926), (611, 802294), (817, 600002), (893, 548938), (982, 499187), (1118, 438463), (1222, 401147), (1634, 300001), (1786, 274469), (2021, 242554), (4042, 121277), (6383, 76798), (9329, 52546), (10621, 46154), (11609, 42226), (12766, 38399), (18658, 26273), (21113, 23218), (21242, 23077)]