27898760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 65664000

約数和(自身を除く): 37765240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 149, 151, 155, 248, 298, 302, 310, 596, 604, 620, 745, 755, 1192, 1208, 1240, 1490, 1510, 2980, 3020, 4619, 4681, 5960, 6040, 9238, 9362, 18476, 18724, 22499, 23095, 23405, 36952, 37448, 44998, 46190, 46810, 89996, 92380, 93620, 112495, 179992, 184760, 187240, 224990, 449980, 697469, 899960, 1394938, 2789876, 3487345, 5579752, 6974690, 13949380, 27898760]

約数ペア:

[(1, 27898760), (2, 13949380), (4, 6974690), (5, 5579752), (8, 3487345), (10, 2789876), (20, 1394938), (31, 899960), (40, 697469), (62, 449980), (124, 224990), (149, 187240), (151, 184760), (155, 179992), (248, 112495), (298, 93620), (302, 92380), (310, 89996), (596, 46810), (604, 46190), (620, 44998), (745, 37448), (755, 36952), (1192, 23405), (1208, 23095), (1240, 22499), (1490, 18724), (1510, 18476), (2980, 9362), (3020, 9238), (4619, 6040), (4681, 5960)]