289387420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:1019

約数の個数: 96

約数和(自身を含む): 724889088

約数和(自身を除く): 435501668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 53, 70, 86, 106, 140, 172, 212, 215, 265, 301, 371, 430, 530, 602, 742, 860, 907, 1060, 1204, 1484, 1505, 1814, 1855, 2279, 3010, 3628, 3710, 4535, 4558, 6020, 6349, 7420, 9070, 9116, 11395, 12698, 15953, 18140, 22790, 25396, 31745, 31906, 39001, 45580, 48071, 63490, 63812, 78002, 79765, 96142, 126980, 156004, 159530, 192284, 195005, 240355, 273007, 319060, 336497, 390010, 480710, 546014, 672994, 780020, 961420, 1092028, 1345988, 1365035, 1682485, 2067053, 2730070, 3364970, 4134106, 5460140, 6729940, 8268212, 10335265, 14469371, 20670530, 28938742, 41341060, 57877484, 72346855, 144693710, 289387420]

約数ペア:

[(1, 289387420), (2, 144693710), (4, 72346855), (5, 57877484), (7, 41341060), (10, 28938742), (14, 20670530), (20, 14469371), (28, 10335265), (35, 8268212), (43, 6729940), (53, 5460140), (70, 4134106), (86, 3364970), (106, 2730070), (140, 2067053), (172, 1682485), (212, 1365035), (215, 1345988), (265, 1092028), (301, 961420), (371, 780020), (430, 672994), (530, 546014), (602, 480710), (742, 390010), (860, 336497), (907, 319060), (1060, 273007), (1204, 240355), (1484, 195005), (1505, 192284), (1814, 159530), (1855, 156004), (2279, 126980), (3010, 96142), (3628, 79765), (3710, 78002), (4535, 63812), (4558, 63490), (6020, 48071), (6349, 45580), (7420, 39001), (9070, 31906), (9116, 31745), (11395, 25396), (12698, 22790), (15953, 18140)]