220863188

素因数分解:

$2^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 510566280

約数和(自身を除く): 289703092

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 49, 52, 58, 61, 91, 98, 116, 122, 182, 196, 203, 244, 343, 364, 377, 406, 427, 637, 686, 754, 793, 812, 854, 1274, 1372, 1421, 1508, 1586, 1708, 1769, 2401, 2548, 2639, 2842, 2989, 3172, 3538, 4459, 4802, 5278, 5551, 5684, 5978, 7076, 8918, 9604, 9947, 10556, 11102, 11956, 12383, 17836, 18473, 19894, 20923, 22204, 22997, 24766, 31213, 36946, 38857, 39788, 41846, 45994, 49532, 62426, 69629, 73892, 77714, 83692, 86681, 91988, 124852, 129311, 139258, 146461, 155428, 160979, 173362, 258622, 271999, 278516, 292922, 321958, 346724, 517244, 543998, 585844, 606767, 643916, 905177, 1087996, 1126853, 1213534, 1810354, 1903993, 2253706, 2427068, 3620708, 3807986, 4247369, 4507412, 7615972, 7887971, 8494738, 15775942, 16989476, 31551884, 55215797, 110431594, 220863188]

約数ペア:

[(1, 220863188), (2, 110431594), (4, 55215797), (7, 31551884), (13, 16989476), (14, 15775942), (26, 8494738), (28, 7887971), (29, 7615972), (49, 4507412), (52, 4247369), (58, 3807986), (61, 3620708), (91, 2427068), (98, 2253706), (116, 1903993), (122, 1810354), (182, 1213534), (196, 1126853), (203, 1087996), (244, 905177), (343, 643916), (364, 606767), (377, 585844), (406, 543998), (427, 517244), (637, 346724), (686, 321958), (754, 292922), (793, 278516), (812, 271999), (854, 258622), (1274, 173362), (1372, 160979), (1421, 155428), (1508, 146461), (1586, 139258), (1708, 129311), (1769, 124852), (2401, 91988), (2548, 86681), (2639, 83692), (2842, 77714), (2989, 73892), (3172, 69629), (3538, 62426), (4459, 49532), (4802, 45994), (5278, 41846), (5551, 39788), (5684, 38857), (5978, 36946), (7076, 31213), (8918, 24766), (9604, 22997), (9947, 22204), (10556, 20923), (11102, 19894), (11956, 18473), (12383, 17836)]