328620370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{617}}^1$

素因数の和:895

約数の個数: 64

約数和(自身を含む): 678386016

約数和(自身を除く): 349765646

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 241, 442, 482, 617, 1105, 1205, 1234, 2210, 2410, 3085, 3133, 4097, 6170, 6266, 8021, 8194, 10489, 15665, 16042, 20485, 20978, 31330, 40105, 40970, 52445, 53261, 80210, 104890, 106522, 136357, 148697, 266305, 272714, 297394, 532610, 681785, 743485, 1363570, 1486970, 1933061, 2527849, 3866122, 5055698, 9665305, 12639245, 19330610, 25278490, 32862037, 65724074, 164310185, 328620370]

約数ペア:

[(1, 328620370), (2, 164310185), (5, 65724074), (10, 32862037), (13, 25278490), (17, 19330610), (26, 12639245), (34, 9665305), (65, 5055698), (85, 3866122), (130, 2527849), (170, 1933061), (221, 1486970), (241, 1363570), (442, 743485), (482, 681785), (617, 532610), (1105, 297394), (1205, 272714), (1234, 266305), (2210, 148697), (2410, 136357), (3085, 106522), (3133, 104890), (4097, 80210), (6170, 53261), (6266, 52445), (8021, 40970), (8194, 40105), (10489, 31330), (15665, 20978), (16042, 20485)]