88839760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 215946000

約数和(自身を除く): 127106240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 149, 232, 257, 290, 298, 464, 514, 580, 596, 745, 1028, 1160, 1192, 1285, 1490, 2056, 2320, 2384, 2570, 2980, 4112, 4321, 5140, 5960, 7453, 8642, 10280, 11920, 14906, 17284, 20560, 21605, 29812, 34568, 37265, 38293, 43210, 59624, 69136, 74530, 76586, 86420, 119248, 149060, 153172, 172840, 191465, 298120, 306344, 345680, 382930, 596240, 612688, 765860, 1110497, 1531720, 2220994, 3063440, 4441988, 5552485, 8883976, 11104970, 17767952, 22209940, 44419880, 88839760]

約数ペア:

[(1, 88839760), (2, 44419880), (4, 22209940), (5, 17767952), (8, 11104970), (10, 8883976), (16, 5552485), (20, 4441988), (29, 3063440), (40, 2220994), (58, 1531720), (80, 1110497), (116, 765860), (145, 612688), (149, 596240), (232, 382930), (257, 345680), (290, 306344), (298, 298120), (464, 191465), (514, 172840), (580, 153172), (596, 149060), (745, 119248), (1028, 86420), (1160, 76586), (1192, 74530), (1285, 69136), (1490, 59624), (2056, 43210), (2320, 38293), (2384, 37265), (2570, 34568), (2980, 29812), (4112, 21605), (4321, 20560), (5140, 17284), (5960, 14906), (7453, 11920), (8642, 10280)]