4956280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 13178880

約数和(自身を除く): 8222600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 571, 620, 868, 1085, 1142, 1240, 1736, 2170, 2284, 2855, 3997, 4340, 4568, 5710, 7994, 8680, 11420, 15988, 17701, 19985, 22840, 31976, 35402, 39970, 70804, 79940, 88505, 123907, 141608, 159880, 177010, 247814, 354020, 495628, 619535, 708040, 991256, 1239070, 2478140, 4956280]

約数ペア:

[(1, 4956280), (2, 2478140), (4, 1239070), (5, 991256), (7, 708040), (8, 619535), (10, 495628), (14, 354020), (20, 247814), (28, 177010), (31, 159880), (35, 141608), (40, 123907), (56, 88505), (62, 79940), (70, 70804), (124, 39970), (140, 35402), (155, 31976), (217, 22840), (248, 19985), (280, 17701), (310, 15988), (434, 11420), (571, 8680), (620, 7994), (868, 5710), (1085, 4568), (1142, 4340), (1240, 3997), (1736, 2855), (2170, 2284)]