28894020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1777}}^1$

素因数の和:2060

約数の個数: 48

約数和(自身を含む): 81247488

約数和(自身を除く): 52353468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 271, 542, 813, 1084, 1355, 1626, 1777, 2710, 3252, 3554, 4065, 5331, 5420, 7108, 8130, 8885, 10662, 16260, 17770, 21324, 26655, 35540, 53310, 106620, 481567, 963134, 1444701, 1926268, 2407835, 2889402, 4815670, 5778804, 7223505, 9631340, 14447010, 28894020]

約数ペア:

[(1, 28894020), (2, 14447010), (3, 9631340), (4, 7223505), (5, 5778804), (6, 4815670), (10, 2889402), (12, 2407835), (15, 1926268), (20, 1444701), (30, 963134), (60, 481567), (271, 106620), (542, 53310), (813, 35540), (1084, 26655), (1355, 21324), (1626, 17770), (1777, 16260), (2710, 10662), (3252, 8885), (3554, 8130), (4065, 7108), (5331, 5420)]