171976220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1123}}^1$

素因数の和:1195

約数の個数: 96

約数和(自身を含む): 422983680

約数和(自身を除く): 251007460

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 260, 310, 380, 403, 494, 589, 620, 806, 988, 1123, 1178, 1235, 1612, 2015, 2246, 2356, 2470, 2945, 4030, 4492, 4940, 5615, 5890, 7657, 8060, 11230, 11780, 14599, 15314, 21337, 22460, 29198, 30628, 34813, 38285, 42674, 58396, 69626, 72995, 76570, 85348, 106685, 139252, 145990, 153140, 174065, 213370, 277381, 291980, 348130, 426740, 452569, 554762, 661447, 696260, 905138, 1109524, 1322894, 1386905, 1810276, 2262845, 2645788, 2773810, 3307235, 4525690, 5547620, 6614470, 8598811, 9051380, 13228940, 17197622, 34395244, 42994055, 85988110, 171976220]

約数ペア:

[(1, 171976220), (2, 85988110), (4, 42994055), (5, 34395244), (10, 17197622), (13, 13228940), (19, 9051380), (20, 8598811), (26, 6614470), (31, 5547620), (38, 4525690), (52, 3307235), (62, 2773810), (65, 2645788), (76, 2262845), (95, 1810276), (124, 1386905), (130, 1322894), (155, 1109524), (190, 905138), (247, 696260), (260, 661447), (310, 554762), (380, 452569), (403, 426740), (494, 348130), (589, 291980), (620, 277381), (806, 213370), (988, 174065), (1123, 153140), (1178, 145990), (1235, 139252), (1612, 106685), (2015, 85348), (2246, 76570), (2356, 72995), (2470, 69626), (2945, 58396), (4030, 42674), (4492, 38285), (4940, 34813), (5615, 30628), (5890, 29198), (7657, 22460), (8060, 21337), (11230, 15314), (11780, 14599)]