2021799250

素因数分解:

$2^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{569}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 3870154080

約数和(自身を除く): 1848354830

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 125, 233, 250, 305, 466, 569, 610, 1138, 1165, 1525, 2330, 2845, 3050, 5690, 5825, 7625, 11650, 14213, 14225, 15250, 28426, 28450, 29125, 34709, 58250, 69418, 71065, 71125, 132577, 142130, 142250, 173545, 265154, 347090, 355325, 662885, 710650, 867725, 1325770, 1735450, 1776625, 3314425, 3553250, 4338625, 6628850, 8087197, 8677250, 16174394, 16572125, 33144250, 40435985, 80871970, 202179925, 404359850, 1010899625, 2021799250]

約数ペア:

[(1, 2021799250), (2, 1010899625), (5, 404359850), (10, 202179925), (25, 80871970), (50, 40435985), (61, 33144250), (122, 16572125), (125, 16174394), (233, 8677250), (250, 8087197), (305, 6628850), (466, 4338625), (569, 3553250), (610, 3314425), (1138, 1776625), (1165, 1735450), (1525, 1325770), (2330, 867725), (2845, 710650), (3050, 662885), (5690, 355325), (5825, 347090), (7625, 265154), (11650, 173545), (14213, 142250), (14225, 142130), (15250, 132577), (28426, 71125), (28450, 71065), (29125, 69418), (34709, 58250)]