247970240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3571}}^1$

素因数の和:3626

約数の個数: 112

約数和(自身を含む): 696797184

約数和(自身を除く): 448826944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 3571, 4340, 4960, 6944, 7142, 8680, 9920, 13888, 14284, 17360, 17855, 24997, 28568, 34720, 35710, 49994, 57136, 69440, 71420, 99988, 110701, 114272, 124985, 142840, 199976, 221402, 228544, 249970, 285680, 399952, 442804, 499940, 553505, 571360, 774907, 799904, 885608, 999880, 1107010, 1142720, 1549814, 1599808, 1771216, 1999760, 2214020, 3099628, 3542432, 3874535, 3999520, 4428040, 6199256, 7084864, 7749070, 7999040, 8856080, 12398512, 15498140, 17712160, 24797024, 30996280, 35424320, 49594048, 61992560, 123985120, 247970240]

約数ペア:

[(1, 247970240), (2, 123985120), (4, 61992560), (5, 49594048), (7, 35424320), (8, 30996280), (10, 24797024), (14, 17712160), (16, 15498140), (20, 12398512), (28, 8856080), (31, 7999040), (32, 7749070), (35, 7084864), (40, 6199256), (56, 4428040), (62, 3999520), (64, 3874535), (70, 3542432), (80, 3099628), (112, 2214020), (124, 1999760), (140, 1771216), (155, 1599808), (160, 1549814), (217, 1142720), (224, 1107010), (248, 999880), (280, 885608), (310, 799904), (320, 774907), (434, 571360), (448, 553505), (496, 499940), (560, 442804), (620, 399952), (868, 285680), (992, 249970), (1085, 228544), (1120, 221402), (1240, 199976), (1736, 142840), (1984, 124985), (2170, 114272), (2240, 110701), (2480, 99988), (3472, 71420), (3571, 69440), (4340, 57136), (4960, 49994), (6944, 35710), (7142, 34720), (8680, 28568), (9920, 24997), (13888, 17855), (14284, 17360)]