10202780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 25855200

約数和(自身を除く): 15652420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 359, 406, 490, 580, 718, 812, 980, 1015, 1421, 1436, 1795, 2030, 2513, 2842, 3590, 4060, 5026, 5684, 7105, 7180, 10052, 10411, 12565, 14210, 17591, 20822, 25130, 28420, 35182, 41644, 50260, 52055, 70364, 72877, 87955, 104110, 145754, 175910, 208220, 291508, 351820, 364385, 510139, 728770, 1020278, 1457540, 2040556, 2550695, 5101390, 10202780]

約数ペア:

[(1, 10202780), (2, 5101390), (4, 2550695), (5, 2040556), (7, 1457540), (10, 1020278), (14, 728770), (20, 510139), (28, 364385), (29, 351820), (35, 291508), (49, 208220), (58, 175910), (70, 145754), (98, 104110), (116, 87955), (140, 72877), (145, 70364), (196, 52055), (203, 50260), (245, 41644), (290, 35182), (359, 28420), (406, 25130), (490, 20822), (580, 17591), (718, 14210), (812, 12565), (980, 10411), (1015, 10052), (1421, 7180), (1436, 7105), (1795, 5684), (2030, 5026), (2513, 4060), (2842, 3590)]