253131700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2441}}^1$

素因数の和:2533

約数の個数: 72

約数和(自身を含む): 591384024

約数和(自身を除く): 338252324

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 61, 68, 85, 100, 122, 170, 244, 305, 340, 425, 610, 850, 1037, 1220, 1525, 1700, 2074, 2441, 3050, 4148, 4882, 5185, 6100, 9764, 10370, 12205, 20740, 24410, 25925, 41497, 48820, 51850, 61025, 82994, 103700, 122050, 148901, 165988, 207485, 244100, 297802, 414970, 595604, 744505, 829940, 1037425, 1489010, 2074850, 2531317, 2978020, 3722525, 4149700, 5062634, 7445050, 10125268, 12656585, 14890100, 25313170, 50626340, 63282925, 126565850, 253131700]

約数ペア:

[(1, 253131700), (2, 126565850), (4, 63282925), (5, 50626340), (10, 25313170), (17, 14890100), (20, 12656585), (25, 10125268), (34, 7445050), (50, 5062634), (61, 4149700), (68, 3722525), (85, 2978020), (100, 2531317), (122, 2074850), (170, 1489010), (244, 1037425), (305, 829940), (340, 744505), (425, 595604), (610, 414970), (850, 297802), (1037, 244100), (1220, 207485), (1525, 165988), (1700, 148901), (2074, 122050), (2441, 103700), (3050, 82994), (4148, 61025), (4882, 51850), (5185, 48820), (6100, 41497), (9764, 25925), (10370, 24410), (12205, 20740)]