440147120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{11731}}^1$

素因数の和:11818

約数の個数: 80

約数和(自身を含む): 1187090688

約数和(自身を除く): 746943568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 469, 536, 560, 670, 938, 1072, 1340, 1876, 2345, 2680, 3752, 4690, 5360, 7504, 9380, 11731, 18760, 23462, 37520, 46924, 58655, 82117, 93848, 117310, 164234, 187696, 234620, 328468, 410585, 469240, 656936, 785977, 821170, 938480, 1313872, 1571954, 1642340, 3143908, 3284680, 3929885, 5501839, 6287816, 6569360, 7859770, 11003678, 12575632, 15719540, 22007356, 27509195, 31439080, 44014712, 55018390, 62878160, 88029424, 110036780, 220073560, 440147120]

約数ペア:

[(1, 440147120), (2, 220073560), (4, 110036780), (5, 88029424), (7, 62878160), (8, 55018390), (10, 44014712), (14, 31439080), (16, 27509195), (20, 22007356), (28, 15719540), (35, 12575632), (40, 11003678), (56, 7859770), (67, 6569360), (70, 6287816), (80, 5501839), (112, 3929885), (134, 3284680), (140, 3143908), (268, 1642340), (280, 1571954), (335, 1313872), (469, 938480), (536, 821170), (560, 785977), (670, 656936), (938, 469240), (1072, 410585), (1340, 328468), (1876, 234620), (2345, 187696), (2680, 164234), (3752, 117310), (4690, 93848), (5360, 82117), (7504, 58655), (9380, 46924), (11731, 37520), (18760, 23462)]