253290440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:547

約数の個数: 96

約数和(自身を含む): 625530600

約数和(自身を除く): 372240160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 169, 178, 260, 338, 356, 421, 445, 520, 676, 712, 842, 845, 890, 1157, 1352, 1684, 1690, 1780, 2105, 2314, 3368, 3380, 3560, 4210, 4628, 5473, 5785, 6760, 8420, 9256, 10946, 11570, 15041, 16840, 21892, 23140, 27365, 30082, 37469, 43784, 46280, 54730, 60164, 71149, 74938, 75205, 109460, 120328, 142298, 149876, 150410, 187345, 218920, 284596, 299752, 300820, 355745, 374690, 487097, 569192, 601640, 711490, 749380, 974194, 1422980, 1498760, 1948388, 2435485, 2845960, 3896776, 4870970, 6332261, 9741940, 12664522, 19483880, 25329044, 31661305, 50658088, 63322610, 126645220, 253290440]

約数ペア:

[(1, 253290440), (2, 126645220), (4, 63322610), (5, 50658088), (8, 31661305), (10, 25329044), (13, 19483880), (20, 12664522), (26, 9741940), (40, 6332261), (52, 4870970), (65, 3896776), (89, 2845960), (104, 2435485), (130, 1948388), (169, 1498760), (178, 1422980), (260, 974194), (338, 749380), (356, 711490), (421, 601640), (445, 569192), (520, 487097), (676, 374690), (712, 355745), (842, 300820), (845, 299752), (890, 284596), (1157, 218920), (1352, 187345), (1684, 150410), (1690, 149876), (1780, 142298), (2105, 120328), (2314, 109460), (3368, 75205), (3380, 74938), (3560, 71149), (4210, 60164), (4628, 54730), (5473, 46280), (5785, 43784), (6760, 37469), (8420, 30082), (9256, 27365), (10946, 23140), (11570, 21892), (15041, 16840)]