149969240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{220543}}^1$

素因数の和:220571

約数の個数: 32

約数和(自身を含む): 357281280

約数和(自身を除く): 207312040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 220543, 441086, 882172, 1102715, 1764344, 2205430, 3749231, 4410860, 7498462, 8821720, 14996924, 18746155, 29993848, 37492310, 74984620, 149969240]

約数ペア:

[(1, 149969240), (2, 74984620), (4, 37492310), (5, 29993848), (8, 18746155), (10, 14996924), (17, 8821720), (20, 7498462), (34, 4410860), (40, 3749231), (68, 2205430), (85, 1764344), (136, 1102715), (170, 882172), (340, 441086), (680, 220543)]