387760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 40

約数和(自身を含む): 932976

約数和(自身を除く): 545216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 131, 148, 185, 262, 296, 370, 524, 592, 655, 740, 1048, 1310, 1480, 2096, 2620, 2960, 4847, 5240, 9694, 10480, 19388, 24235, 38776, 48470, 77552, 96940, 193880, 387760]

約数ペア:

[(1, 387760), (2, 193880), (4, 96940), (5, 77552), (8, 48470), (10, 38776), (16, 24235), (20, 19388), (37, 10480), (40, 9694), (74, 5240), (80, 4847), (131, 2960), (148, 2620), (185, 2096), (262, 1480), (296, 1310), (370, 1048), (524, 740), (592, 655)]