6406220

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 14061600

約数和(自身を除く): 7655380

約数列:

[1, 2, 4, 5, 10, 20, 59, 61, 89, 118, 122, 178, 236, 244, 295, 305, 356, 445, 590, 610, 890, 1180, 1220, 1780, 3599, 5251, 5429, 7198, 10502, 10858, 14396, 17995, 21004, 21716, 26255, 27145, 35990, 52510, 54290, 71980, 105020, 108580, 320311, 640622, 1281244, 1601555, 3203110, 6406220]

約数ペア:

[(1, 6406220), (2, 3203110), (4, 1601555), (5, 1281244), (10, 640622), (20, 320311), (59, 108580), (61, 105020), (89, 71980), (118, 54290), (122, 52510), (178, 35990), (236, 27145), (244, 26255), (295, 21716), (305, 21004), (356, 17995), (445, 14396), (590, 10858), (610, 10502), (890, 7198), (1180, 5429), (1220, 5251), (1780, 3599)]