257029230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{120671}}^1$

素因数の和:120752

約数の個数: 32

約数和(自身を含む): 625563648

約数和(自身を除く): 368534418

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 120671, 241342, 362013, 603355, 724026, 1206710, 1810065, 3620130, 8567641, 17135282, 25702923, 42838205, 51405846, 85676410, 128514615, 257029230]

約数ペア:

[(1, 257029230), (2, 128514615), (3, 85676410), (5, 51405846), (6, 42838205), (10, 25702923), (15, 17135282), (30, 8567641), (71, 3620130), (142, 1810065), (213, 1206710), (355, 724026), (426, 603355), (710, 362013), (1065, 241342), (2130, 120671)]