87438820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{36739}}^1$

素因数の和:36772

約数の個数: 48

約数和(自身を含む): 222203520

約数和(自身を除く): 134764700

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 36739, 73478, 146956, 183695, 257173, 367390, 514346, 624563, 734780, 1028692, 1249126, 1285865, 2498252, 2571730, 3122815, 4371941, 5143460, 6245630, 8743882, 12491260, 17487764, 21859705, 43719410, 87438820]

約数ペア:

[(1, 87438820), (2, 43719410), (4, 21859705), (5, 17487764), (7, 12491260), (10, 8743882), (14, 6245630), (17, 5143460), (20, 4371941), (28, 3122815), (34, 2571730), (35, 2498252), (68, 1285865), (70, 1249126), (85, 1028692), (119, 734780), (140, 624563), (170, 514346), (238, 367390), (340, 257173), (476, 183695), (595, 146956), (1190, 73478), (2380, 36739)]