201229840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12391}}^1$

素因数の和:12440

約数の個数: 80

約数和(自身を含む): 553178880

約数和(自身を除く): 351949040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 8120, 12391, 16240, 24782, 49564, 61955, 86737, 99128, 123910, 173474, 198256, 247820, 346948, 359339, 433685, 495640, 693896, 718678, 867370, 991280, 1387792, 1437356, 1734740, 1796695, 2515373, 2874712, 3469480, 3593390, 5030746, 5749424, 6938960, 7186780, 10061492, 12576865, 14373560, 20122984, 25153730, 28747120, 40245968, 50307460, 100614920, 201229840]

約数ペア:

[(1, 201229840), (2, 100614920), (4, 50307460), (5, 40245968), (7, 28747120), (8, 25153730), (10, 20122984), (14, 14373560), (16, 12576865), (20, 10061492), (28, 7186780), (29, 6938960), (35, 5749424), (40, 5030746), (56, 3593390), (58, 3469480), (70, 2874712), (80, 2515373), (112, 1796695), (116, 1734740), (140, 1437356), (145, 1387792), (203, 991280), (232, 867370), (280, 718678), (290, 693896), (406, 495640), (464, 433685), (560, 359339), (580, 346948), (812, 247820), (1015, 198256), (1160, 173474), (1624, 123910), (2030, 99128), (2320, 86737), (3248, 61955), (4060, 49564), (8120, 24782), (12391, 16240)]