17439980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 39481344

約数和(自身を除く): 22041364

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1223, 1426, 2446, 2852, 3565, 4892, 6115, 7130, 12230, 14260, 24460, 28129, 37913, 56258, 75826, 112516, 140645, 151652, 189565, 281290, 379130, 562580, 758260, 871999, 1743998, 3487996, 4359995, 8719990, 17439980]

約数ペア:

[(1, 17439980), (2, 8719990), (4, 4359995), (5, 3487996), (10, 1743998), (20, 871999), (23, 758260), (31, 562580), (46, 379130), (62, 281290), (92, 189565), (115, 151652), (124, 140645), (155, 112516), (230, 75826), (310, 56258), (460, 37913), (620, 28129), (713, 24460), (1223, 14260), (1426, 12230), (2446, 7130), (2852, 6115), (3565, 4892)]