1900560220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{429991}}^1$

素因数の和:430030

約数の個数: 48

約数和(自身を含む): 4551035328

約数和(自身を除く): 2650475108

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 429991, 859982, 1719964, 2149955, 4299910, 5589883, 7309847, 8599820, 11179766, 14619694, 22359532, 27949415, 29239388, 36549235, 55898830, 73098470, 95028011, 111797660, 146196940, 190056022, 380112044, 475140055, 950280110, 1900560220]

約数ペア:

[(1, 1900560220), (2, 950280110), (4, 475140055), (5, 380112044), (10, 190056022), (13, 146196940), (17, 111797660), (20, 95028011), (26, 73098470), (34, 55898830), (52, 36549235), (65, 29239388), (68, 27949415), (85, 22359532), (130, 14619694), (170, 11179766), (221, 8599820), (260, 7309847), (340, 5589883), (442, 4299910), (884, 2149955), (1105, 1719964), (2210, 859982), (4420, 429991)]