216443440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1087}}^1$

素因数の和:1250

約数の個数: 80

約数和(自身を含む): 534251520

約数和(自身を除く): 317808080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 131, 152, 190, 262, 304, 380, 524, 655, 760, 1048, 1087, 1310, 1520, 2096, 2174, 2489, 2620, 4348, 4978, 5240, 5435, 8696, 9956, 10480, 10870, 12445, 17392, 19912, 20653, 21740, 24890, 39824, 41306, 43480, 49780, 82612, 86960, 99560, 103265, 142397, 165224, 199120, 206530, 284794, 330448, 413060, 569588, 711985, 826120, 1139176, 1423970, 1652240, 2278352, 2705543, 2847940, 5411086, 5695880, 10822172, 11391760, 13527715, 21644344, 27055430, 43288688, 54110860, 108221720, 216443440]

約数ペア:

[(1, 216443440), (2, 108221720), (4, 54110860), (5, 43288688), (8, 27055430), (10, 21644344), (16, 13527715), (19, 11391760), (20, 10822172), (38, 5695880), (40, 5411086), (76, 2847940), (80, 2705543), (95, 2278352), (131, 1652240), (152, 1423970), (190, 1139176), (262, 826120), (304, 711985), (380, 569588), (524, 413060), (655, 330448), (760, 284794), (1048, 206530), (1087, 199120), (1310, 165224), (1520, 142397), (2096, 103265), (2174, 99560), (2489, 86960), (2620, 82612), (4348, 49780), (4978, 43480), (5240, 41306), (5435, 39824), (8696, 24890), (9956, 21740), (10480, 20653), (10870, 19912), (12445, 17392)]