489257720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{5279}}^1$

素因数の和:5628

約数の個数: 64

約数和(自身を含む): 1262131200

約数和(自身を除く): 772873480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 331, 662, 1324, 1655, 2317, 2648, 3310, 4634, 5279, 6620, 9268, 10558, 11585, 13240, 18536, 21116, 23170, 26395, 36953, 42232, 46340, 52790, 73906, 92680, 105580, 147812, 184765, 211160, 295624, 369530, 739060, 1478120, 1747349, 3494698, 6989396, 8736745, 12231443, 13978792, 17473490, 24462886, 34946980, 48925772, 61157215, 69893960, 97851544, 122314430, 244628860, 489257720]

約数ペア:

[(1, 489257720), (2, 244628860), (4, 122314430), (5, 97851544), (7, 69893960), (8, 61157215), (10, 48925772), (14, 34946980), (20, 24462886), (28, 17473490), (35, 13978792), (40, 12231443), (56, 8736745), (70, 6989396), (140, 3494698), (280, 1747349), (331, 1478120), (662, 739060), (1324, 369530), (1655, 295624), (2317, 211160), (2648, 184765), (3310, 147812), (4634, 105580), (5279, 92680), (6620, 73906), (9268, 52790), (10558, 46340), (11585, 42232), (13240, 36953), (18536, 26395), (21116, 23170)]