401820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 1161888

約数和(自身を除く): 760068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 181, 185, 222, 362, 370, 444, 543, 555, 724, 740, 905, 1086, 1110, 1810, 2172, 2220, 2715, 3620, 5430, 6697, 10860, 13394, 20091, 26788, 33485, 40182, 66970, 80364, 100455, 133940, 200910, 401820]

約数ペア:

[(1, 401820), (2, 200910), (3, 133940), (4, 100455), (5, 80364), (6, 66970), (10, 40182), (12, 33485), (15, 26788), (20, 20091), (30, 13394), (37, 10860), (60, 6697), (74, 5430), (111, 3620), (148, 2715), (181, 2220), (185, 2172), (222, 1810), (362, 1110), (370, 1086), (444, 905), (543, 740), (555, 724)]