177640040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{659}}^1$

素因数の和:986

約数の個数: 64

約数和(自身を含む): 419126400

約数和(自身を除く): 241486360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 293, 460, 586, 659, 920, 1172, 1318, 1465, 2344, 2636, 2930, 3295, 5272, 5860, 6590, 6739, 11720, 13180, 13478, 15157, 26360, 26956, 30314, 33695, 53912, 60628, 67390, 75785, 121256, 134780, 151570, 193087, 269560, 303140, 386174, 606280, 772348, 965435, 1544696, 1930870, 3861740, 4441001, 7723480, 8882002, 17764004, 22205005, 35528008, 44410010, 88820020, 177640040]

約数ペア:

[(1, 177640040), (2, 88820020), (4, 44410010), (5, 35528008), (8, 22205005), (10, 17764004), (20, 8882002), (23, 7723480), (40, 4441001), (46, 3861740), (92, 1930870), (115, 1544696), (184, 965435), (230, 772348), (293, 606280), (460, 386174), (586, 303140), (659, 269560), (920, 193087), (1172, 151570), (1318, 134780), (1465, 121256), (2344, 75785), (2636, 67390), (2930, 60628), (3295, 53912), (5272, 33695), (5860, 30314), (6590, 26956), (6739, 26360), (11720, 15157), (13180, 13478)]