40904220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13913}}^1$

素因数の和:13939

約数の個数: 72

約数和(自身を含む): 133240464

約数和(自身を除く): 92336244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 13913, 27826, 41739, 55652, 69565, 83478, 97391, 139130, 166956, 194782, 208695, 278260, 292173, 389564, 417390, 486955, 584346, 681737, 834780, 973910, 1168692, 1363474, 1460865, 1947820, 2045211, 2726948, 2921730, 3408685, 4090422, 5843460, 6817370, 8180844, 10226055, 13634740, 20452110, 40904220]

約数ペア:

[(1, 40904220), (2, 20452110), (3, 13634740), (4, 10226055), (5, 8180844), (6, 6817370), (7, 5843460), (10, 4090422), (12, 3408685), (14, 2921730), (15, 2726948), (20, 2045211), (21, 1947820), (28, 1460865), (30, 1363474), (35, 1168692), (42, 973910), (49, 834780), (60, 681737), (70, 584346), (84, 486955), (98, 417390), (105, 389564), (140, 292173), (147, 278260), (196, 208695), (210, 194782), (245, 166956), (294, 139130), (420, 97391), (490, 83478), (588, 69565), (735, 55652), (980, 41739), (1470, 27826), (2940, 13913)]