189790240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:602

約数の個数: 96

約数和(自身を含む): 476280000

約数和(自身を除く): 286489760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 149, 152, 160, 190, 298, 304, 380, 419, 596, 608, 745, 760, 838, 1192, 1490, 1520, 1676, 2095, 2384, 2831, 2980, 3040, 3352, 4190, 4768, 5662, 5960, 6704, 7961, 8380, 11324, 11920, 13408, 14155, 15922, 16760, 22648, 23840, 28310, 31844, 33520, 39805, 45296, 56620, 62431, 63688, 67040, 79610, 90592, 113240, 124862, 127376, 159220, 226480, 249724, 254752, 312155, 318440, 452960, 499448, 624310, 636880, 998896, 1186189, 1248620, 1273760, 1997792, 2372378, 2497240, 4744756, 4994480, 5930945, 9489512, 9988960, 11861890, 18979024, 23723780, 37958048, 47447560, 94895120, 189790240]

約数ペア:

[(1, 189790240), (2, 94895120), (4, 47447560), (5, 37958048), (8, 23723780), (10, 18979024), (16, 11861890), (19, 9988960), (20, 9489512), (32, 5930945), (38, 4994480), (40, 4744756), (76, 2497240), (80, 2372378), (95, 1997792), (149, 1273760), (152, 1248620), (160, 1186189), (190, 998896), (298, 636880), (304, 624310), (380, 499448), (419, 452960), (596, 318440), (608, 312155), (745, 254752), (760, 249724), (838, 226480), (1192, 159220), (1490, 127376), (1520, 124862), (1676, 113240), (2095, 90592), (2384, 79610), (2831, 67040), (2980, 63688), (3040, 62431), (3352, 56620), (4190, 45296), (4768, 39805), (5662, 33520), (5960, 31844), (6704, 28310), (7961, 23840), (8380, 22648), (11324, 16760), (11920, 15922), (13408, 14155)]