202067920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1381}}^1$

素因数の和:1484

約数の個数: 80

約数和(自身を含む): 493539840

約数和(自身を除く): 291471920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 59, 62, 80, 118, 124, 155, 236, 248, 295, 310, 472, 496, 590, 620, 944, 1180, 1240, 1381, 1829, 2360, 2480, 2762, 3658, 4720, 5524, 6905, 7316, 9145, 11048, 13810, 14632, 18290, 22096, 27620, 29264, 36580, 42811, 55240, 73160, 81479, 85622, 110480, 146320, 162958, 171244, 214055, 325916, 342488, 407395, 428110, 651832, 684976, 814790, 856220, 1303664, 1629580, 1712440, 2525849, 3259160, 3424880, 5051698, 6518320, 10103396, 12629245, 20206792, 25258490, 40413584, 50516980, 101033960, 202067920]

約数ペア:

[(1, 202067920), (2, 101033960), (4, 50516980), (5, 40413584), (8, 25258490), (10, 20206792), (16, 12629245), (20, 10103396), (31, 6518320), (40, 5051698), (59, 3424880), (62, 3259160), (80, 2525849), (118, 1712440), (124, 1629580), (155, 1303664), (236, 856220), (248, 814790), (295, 684976), (310, 651832), (472, 428110), (496, 407395), (590, 342488), (620, 325916), (944, 214055), (1180, 171244), (1240, 162958), (1381, 146320), (1829, 110480), (2360, 85622), (2480, 81479), (2762, 73160), (3658, 55240), (4720, 42811), (5524, 36580), (6905, 29264), (7316, 27620), (9145, 22096), (11048, 18290), (13810, 14632)]