215520130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{569}}^1\times {\mathrm{773}}^1$

素因数の和:1363

約数の個数: 48

約数和(自身を含む): 452650680

約数和(自身を除く): 237130550

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 569, 773, 1138, 1546, 2845, 3865, 3983, 5411, 5690, 7730, 7966, 10822, 19915, 27055, 27881, 37877, 39830, 54110, 55762, 75754, 139405, 189385, 278810, 378770, 439837, 879674, 2199185, 3078859, 4398370, 6157718, 15394295, 21552013, 30788590, 43104026, 107760065, 215520130]

約数ペア:

[(1, 215520130), (2, 107760065), (5, 43104026), (7, 30788590), (10, 21552013), (14, 15394295), (35, 6157718), (49, 4398370), (70, 3078859), (98, 2199185), (245, 879674), (490, 439837), (569, 378770), (773, 278810), (1138, 189385), (1546, 139405), (2845, 75754), (3865, 55762), (3983, 54110), (5411, 39830), (5690, 37877), (7730, 27881), (7966, 27055), (10822, 19915)]