239235700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2753}}^1$

素因数の和:2857

約数の個数: 72

約数和(自身を含む): 573713280

約数和(自身を除く): 334477580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 100, 110, 158, 220, 275, 316, 395, 550, 790, 869, 1100, 1580, 1738, 1975, 2753, 3476, 3950, 4345, 5506, 7900, 8690, 11012, 13765, 17380, 21725, 27530, 30283, 43450, 55060, 60566, 68825, 86900, 121132, 137650, 151415, 217487, 275300, 302830, 434974, 605660, 757075, 869948, 1087435, 1514150, 2174870, 2392357, 3028300, 4349740, 4784714, 5437175, 9569428, 10874350, 11961785, 21748700, 23923570, 47847140, 59808925, 119617850, 239235700]

約数ペア:

[(1, 239235700), (2, 119617850), (4, 59808925), (5, 47847140), (10, 23923570), (11, 21748700), (20, 11961785), (22, 10874350), (25, 9569428), (44, 5437175), (50, 4784714), (55, 4349740), (79, 3028300), (100, 2392357), (110, 2174870), (158, 1514150), (220, 1087435), (275, 869948), (316, 757075), (395, 605660), (550, 434974), (790, 302830), (869, 275300), (1100, 217487), (1580, 151415), (1738, 137650), (1975, 121132), (2753, 86900), (3476, 68825), (3950, 60566), (4345, 55060), (5506, 43450), (7900, 30283), (8690, 27530), (11012, 21725), (13765, 17380)]