2021680910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{1399}}^1$

素因数の和:1593

約数の個数: 64

約数和(自身を含む): 3899750400

約数和(自身を除く): 1878069490

約数列:

[1, 2, 5, 10, 23, 46, 61, 103, 115, 122, 206, 230, 305, 515, 610, 1030, 1399, 1403, 2369, 2798, 2806, 4738, 6283, 6995, 7015, 11845, 12566, 13990, 14030, 23690, 31415, 32177, 62830, 64354, 85339, 144097, 144509, 160885, 170678, 288194, 289018, 321770, 426695, 720485, 722545, 853390, 1440970, 1445090, 1962797, 3314231, 3925594, 6628462, 8789917, 9813985, 16571155, 17579834, 19627970, 33142310, 43949585, 87899170, 202168091, 404336182, 1010840455, 2021680910]

約数ペア:

[(1, 2021680910), (2, 1010840455), (5, 404336182), (10, 202168091), (23, 87899170), (46, 43949585), (61, 33142310), (103, 19627970), (115, 17579834), (122, 16571155), (206, 9813985), (230, 8789917), (305, 6628462), (515, 3925594), (610, 3314231), (1030, 1962797), (1399, 1445090), (1403, 1440970), (2369, 853390), (2798, 722545), (2806, 720485), (4738, 426695), (6283, 321770), (6995, 289018), (7015, 288194), (11845, 170678), (12566, 160885), (13990, 144509), (14030, 144097), (23690, 85339), (31415, 64354), (32177, 62830)]