253489740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{571}}^1$

素因数の和:748

約数の個数: 144

約数和(自身を含む): 832575744

約数和(自身を除く): 579086004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 151, 196, 210, 245, 294, 302, 420, 453, 490, 571, 588, 604, 735, 755, 906, 980, 1057, 1142, 1470, 1510, 1713, 1812, 2114, 2265, 2284, 2855, 2940, 3020, 3171, 3426, 3997, 4228, 4530, 5285, 5710, 6342, 6852, 7399, 7994, 8565, 9060, 10570, 11420, 11991, 12684, 14798, 15855, 15988, 17130, 19985, 21140, 22197, 23982, 27979, 29596, 31710, 34260, 36995, 39970, 44394, 47964, 55958, 59955, 63420, 73990, 79940, 83937, 86221, 88788, 110985, 111916, 119910, 139895, 147980, 167874, 172442, 221970, 239820, 258663, 279790, 335748, 344884, 419685, 431105, 443940, 517326, 559580, 603547, 839370, 862210, 1034652, 1207094, 1293315, 1678740, 1724420, 1810641, 2414188, 2586630, 3017735, 3621282, 4224829, 5173260, 6035470, 7242564, 8449658, 9053205, 12070940, 12674487, 16899316, 18106410, 21124145, 25348974, 36212820, 42248290, 50697948, 63372435, 84496580, 126744870, 253489740]

約数ペア:

[(1, 253489740), (2, 126744870), (3, 84496580), (4, 63372435), (5, 50697948), (6, 42248290), (7, 36212820), (10, 25348974), (12, 21124145), (14, 18106410), (15, 16899316), (20, 12674487), (21, 12070940), (28, 9053205), (30, 8449658), (35, 7242564), (42, 6035470), (49, 5173260), (60, 4224829), (70, 3621282), (84, 3017735), (98, 2586630), (105, 2414188), (140, 1810641), (147, 1724420), (151, 1678740), (196, 1293315), (210, 1207094), (245, 1034652), (294, 862210), (302, 839370), (420, 603547), (453, 559580), (490, 517326), (571, 443940), (588, 431105), (604, 419685), (735, 344884), (755, 335748), (906, 279790), (980, 258663), (1057, 239820), (1142, 221970), (1470, 172442), (1510, 167874), (1713, 147980), (1812, 139895), (2114, 119910), (2265, 111916), (2284, 110985), (2855, 88788), (2940, 86221), (3020, 83937), (3171, 79940), (3426, 73990), (3997, 63420), (4228, 59955), (4530, 55958), (5285, 47964), (5710, 44394), (6342, 39970), (6852, 36995), (7399, 34260), (7994, 31710), (8565, 29596), (9060, 27979), (10570, 23982), (11420, 22197), (11991, 21140), (12684, 19985), (14798, 17130), (15855, 15988)]