179739980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{75521}}^1$

素因数の和:75554

約数の個数: 48

約数和(自身を含む): 456757056

約数和(自身を除く): 277017076

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, 75521, 151042, 302084, 377605, 528647, 755210, 1057294, 1283857, 1510420, 2114588, 2567714, 2643235, 5135428, 5286470, 6419285, 8986999, 10572940, 12838570, 17973998, 25677140, 35947996, 44934995, 89869990, 179739980]

約数ペア:

[(1, 179739980), (2, 89869990), (4, 44934995), (5, 35947996), (7, 25677140), (10, 17973998), (14, 12838570), (17, 10572940), (20, 8986999), (28, 6419285), (34, 5286470), (35, 5135428), (68, 2643235), (70, 2567714), (85, 2114588), (119, 1510420), (140, 1283857), (170, 1057294), (238, 755210), (340, 528647), (476, 377605), (595, 302084), (1190, 151042), (2380, 75521)]