490395440

素因数分解:

$2^4\times 5^1\times {\mathrm{787}}^1\times {\mathrm{7789}}^1$

素因数の和:8589

約数の個数: 40

約数和(自身を含む): 1141764720

約数和(自身を除く): 651369280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 787, 1574, 3148, 3935, 6296, 7789, 7870, 12592, 15578, 15740, 31156, 31480, 38945, 62312, 62960, 77890, 124624, 155780, 311560, 623120, 6129943, 12259886, 24519772, 30649715, 49039544, 61299430, 98079088, 122598860, 245197720, 490395440]

約数ペア:

[(1, 490395440), (2, 245197720), (4, 122598860), (5, 98079088), (8, 61299430), (10, 49039544), (16, 30649715), (20, 24519772), (40, 12259886), (80, 6129943), (787, 623120), (1574, 311560), (3148, 155780), (3935, 124624), (6296, 77890), (7789, 62960), (7870, 62312), (12592, 38945), (15578, 31480), (15740, 31156)]