68948260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1361}}^1$

素因数の和:1536

約数の個数: 48

約数和(自身を含む): 154450800

約数和(自身を除く): 85502540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 298, 340, 596, 745, 1361, 1490, 2533, 2722, 2980, 5066, 5444, 6805, 10132, 12665, 13610, 23137, 25330, 27220, 46274, 50660, 92548, 115685, 202789, 231370, 405578, 462740, 811156, 1013945, 2027890, 3447413, 4055780, 6894826, 13789652, 17237065, 34474130, 68948260]

約数ペア:

[(1, 68948260), (2, 34474130), (4, 17237065), (5, 13789652), (10, 6894826), (17, 4055780), (20, 3447413), (34, 2027890), (68, 1013945), (85, 811156), (149, 462740), (170, 405578), (298, 231370), (340, 202789), (596, 115685), (745, 92548), (1361, 50660), (1490, 46274), (2533, 27220), (2722, 25330), (2980, 23137), (5066, 13610), (5444, 12665), (6805, 10132)]