61700140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2039}}^1$

素因数の和:2154

約数の個数: 48

約数和(自身を含む): 138801600

約数和(自身を除く): 77101460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 2039, 3026, 4078, 6052, 7565, 8156, 10195, 15130, 20390, 30260, 34663, 40780, 69326, 138652, 173315, 181471, 346630, 362942, 693260, 725884, 907355, 1814710, 3085007, 3629420, 6170014, 12340028, 15425035, 30850070, 61700140]

約数ペア:

[(1, 61700140), (2, 30850070), (4, 15425035), (5, 12340028), (10, 6170014), (17, 3629420), (20, 3085007), (34, 1814710), (68, 907355), (85, 725884), (89, 693260), (170, 362942), (178, 346630), (340, 181471), (356, 173315), (445, 138652), (890, 69326), (1513, 40780), (1780, 34663), (2039, 30260), (3026, 20390), (4078, 15130), (6052, 10195), (7565, 8156)]