128659700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:394

約数の個数: 108

約数和(自身を含む): 316417248

約数和(自身を除く): 187757548

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 65, 92, 100, 115, 130, 169, 230, 260, 299, 325, 331, 338, 460, 575, 598, 650, 662, 676, 845, 1150, 1196, 1300, 1324, 1495, 1655, 1690, 2300, 2990, 3310, 3380, 3887, 4225, 4303, 5980, 6620, 7475, 7613, 7774, 8275, 8450, 8606, 14950, 15226, 15548, 16550, 16900, 17212, 19435, 21515, 29900, 30452, 33100, 38065, 38870, 43030, 55939, 76130, 77740, 86060, 97175, 98969, 107575, 111878, 152260, 190325, 194350, 197938, 215150, 223756, 279695, 380650, 388700, 395876, 430300, 494845, 559390, 761300, 989690, 1118780, 1286597, 1398475, 1979380, 2474225, 2573194, 2796950, 4948450, 5146388, 5593900, 6432985, 9896900, 12865970, 25731940, 32164925, 64329850, 128659700]

約数ペア:

[(1, 128659700), (2, 64329850), (4, 32164925), (5, 25731940), (10, 12865970), (13, 9896900), (20, 6432985), (23, 5593900), (25, 5146388), (26, 4948450), (46, 2796950), (50, 2573194), (52, 2474225), (65, 1979380), (92, 1398475), (100, 1286597), (115, 1118780), (130, 989690), (169, 761300), (230, 559390), (260, 494845), (299, 430300), (325, 395876), (331, 388700), (338, 380650), (460, 279695), (575, 223756), (598, 215150), (650, 197938), (662, 194350), (676, 190325), (845, 152260), (1150, 111878), (1196, 107575), (1300, 98969), (1324, 97175), (1495, 86060), (1655, 77740), (1690, 76130), (2300, 55939), (2990, 43030), (3310, 38870), (3380, 38065), (3887, 33100), (4225, 30452), (4303, 29900), (5980, 21515), (6620, 19435), (7475, 17212), (7613, 16900), (7774, 16550), (8275, 15548), (8450, 15226), (8606, 14950)]