9201997220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{2243}}^1$

素因数の和:2805

約数の個数: 96

約数和(自身を含む): 21533783040

約数和(自身を除く): 12331785820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 509, 620, 806, 1018, 1612, 2015, 2036, 2243, 2545, 4030, 4486, 5090, 6617, 8060, 8972, 10180, 11215, 13234, 15779, 22430, 26468, 29159, 31558, 33085, 44860, 58318, 63116, 66170, 69533, 78895, 116636, 132340, 139066, 145795, 157790, 205127, 278132, 291590, 315580, 347665, 410254, 583180, 695330, 820508, 903929, 1025635, 1141687, 1390660, 1807858, 2051270, 2283374, 3615716, 4102540, 4519645, 4566748, 5708435, 9039290, 11416870, 14841931, 18078580, 22833740, 29683862, 35392297, 59367724, 70784594, 74209655, 141569188, 148419310, 176961485, 296838620, 353922970, 460099861, 707845940, 920199722, 1840399444, 2300499305, 4600998610, 9201997220]

約数ペア:

[(1, 9201997220), (2, 4600998610), (4, 2300499305), (5, 1840399444), (10, 920199722), (13, 707845940), (20, 460099861), (26, 353922970), (31, 296838620), (52, 176961485), (62, 148419310), (65, 141569188), (124, 74209655), (130, 70784594), (155, 59367724), (260, 35392297), (310, 29683862), (403, 22833740), (509, 18078580), (620, 14841931), (806, 11416870), (1018, 9039290), (1612, 5708435), (2015, 4566748), (2036, 4519645), (2243, 4102540), (2545, 3615716), (4030, 2283374), (4486, 2051270), (5090, 1807858), (6617, 1390660), (8060, 1141687), (8972, 1025635), (10180, 903929), (11215, 820508), (13234, 695330), (15779, 583180), (22430, 410254), (26468, 347665), (29159, 315580), (31558, 291590), (33085, 278132), (44860, 205127), (58318, 157790), (63116, 145795), (66170, 139066), (69533, 132340), (78895, 116636)]