2980040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 7948800

約数和(自身を除く): 4968760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 367, 406, 580, 734, 812, 1015, 1160, 1468, 1624, 1835, 2030, 2569, 2936, 3670, 4060, 5138, 7340, 8120, 10276, 10643, 12845, 14680, 20552, 21286, 25690, 42572, 51380, 53215, 74501, 85144, 102760, 106430, 149002, 212860, 298004, 372505, 425720, 596008, 745010, 1490020, 2980040]

約数ペア:

[(1, 2980040), (2, 1490020), (4, 745010), (5, 596008), (7, 425720), (8, 372505), (10, 298004), (14, 212860), (20, 149002), (28, 106430), (29, 102760), (35, 85144), (40, 74501), (56, 53215), (58, 51380), (70, 42572), (116, 25690), (140, 21286), (145, 20552), (203, 14680), (232, 12845), (280, 10643), (290, 10276), (367, 8120), (406, 7340), (580, 5138), (734, 4060), (812, 3670), (1015, 2936), (1160, 2569), (1468, 2030), (1624, 1835)]