354895380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{281663}}^1$

素因数の和:281685

約数の個数: 72

約数和(自身を含む): 1230308352

約数和(自身を除く): 875412972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 281663, 563326, 844989, 1126652, 1408315, 1689978, 1971641, 2534967, 2816630, 3379956, 3943282, 4224945, 5069934, 5633260, 5914923, 7886564, 8449890, 9858205, 10139868, 11829846, 12674835, 16899780, 17744769, 19716410, 23659692, 25349670, 29574615, 35489538, 39432820, 50699340, 59149230, 70979076, 88723845, 118298460, 177447690, 354895380]

約数ペア:

[(1, 354895380), (2, 177447690), (3, 118298460), (4, 88723845), (5, 70979076), (6, 59149230), (7, 50699340), (9, 39432820), (10, 35489538), (12, 29574615), (14, 25349670), (15, 23659692), (18, 19716410), (20, 17744769), (21, 16899780), (28, 12674835), (30, 11829846), (35, 10139868), (36, 9858205), (42, 8449890), (45, 7886564), (60, 5914923), (63, 5633260), (70, 5069934), (84, 4224945), (90, 3943282), (105, 3379956), (126, 2816630), (140, 2534967), (180, 1971641), (210, 1689978), (252, 1408315), (315, 1126652), (420, 844989), (630, 563326), (1260, 281663)]