2012130068980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2309}}^1\times {\mathrm{1405531}}^1$

素因数の和:1407880

約数の個数: 48

約数和(自身を含む): 4363670868480

約数和(自身を除く): 2351540799500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2309, 4618, 9236, 11545, 23090, 46180, 71579, 143158, 286316, 357895, 715790, 1405531, 1431580, 2811062, 5622124, 7027655, 14055310, 28110620, 43571461, 87142922, 174285844, 217857305, 435714610, 871429220, 3245371079, 6490742158, 12981484316, 16226855395, 32453710790, 64907421580, 100606503449, 201213006898, 402426013796, 503032517245, 1006065034490, 2012130068980]

約数ペア:

[(1, 2012130068980), (2, 1006065034490), (4, 503032517245), (5, 402426013796), (10, 201213006898), (20, 100606503449), (31, 64907421580), (62, 32453710790), (124, 16226855395), (155, 12981484316), (310, 6490742158), (620, 3245371079), (2309, 871429220), (4618, 435714610), (9236, 217857305), (11545, 174285844), (23090, 87142922), (46180, 43571461), (71579, 28110620), (143158, 14055310), (286316, 7027655), (357895, 5622124), (715790, 2811062), (1405531, 1431580)]