31112380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7039}}^1$

素因数の和:7078

約数の個数: 48

約数和(自身を含む): 74511360

約数和(自身を除く): 43398980

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, 7039, 14078, 28156, 35195, 70390, 91507, 119663, 140780, 183014, 239326, 366028, 457535, 478652, 598315, 915070, 1196630, 1555619, 1830140, 2393260, 3111238, 6222476, 7778095, 15556190, 31112380]

約数ペア:

[(1, 31112380), (2, 15556190), (4, 7778095), (5, 6222476), (10, 3111238), (13, 2393260), (17, 1830140), (20, 1555619), (26, 1196630), (34, 915070), (52, 598315), (65, 478652), (68, 457535), (85, 366028), (130, 239326), (170, 183014), (221, 140780), (260, 119663), (340, 91507), (442, 70390), (884, 35195), (1105, 28156), (2210, 14078), (4420, 7039)]