30274280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^2$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 72467460

約数和(自身を除く): 42193180

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 211, 340, 422, 680, 844, 1055, 1688, 2110, 3587, 4220, 7174, 8440, 14348, 17935, 28696, 35870, 44521, 71740, 89042, 143480, 178084, 222605, 356168, 445210, 756857, 890420, 1513714, 1780840, 3027428, 3784285, 6054856, 7568570, 15137140, 30274280]

約数ペア:

[(1, 30274280), (2, 15137140), (4, 7568570), (5, 6054856), (8, 3784285), (10, 3027428), (17, 1780840), (20, 1513714), (34, 890420), (40, 756857), (68, 445210), (85, 356168), (136, 222605), (170, 178084), (211, 143480), (340, 89042), (422, 71740), (680, 44521), (844, 35870), (1055, 28696), (1688, 17935), (2110, 14348), (3587, 8440), (4220, 7174)]