209970280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1733}}^1$

素因数の和:1990

約数の個数: 64

約数和(自身を含む): 511252560

約数和(自身を除く): 301282280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 233, 260, 466, 520, 932, 1165, 1733, 1864, 2330, 3029, 3466, 4660, 6058, 6932, 8665, 9320, 12116, 13864, 15145, 17330, 22529, 24232, 30290, 34660, 45058, 60580, 69320, 90116, 112645, 121160, 180232, 225290, 403789, 450580, 807578, 901160, 1615156, 2018945, 3230312, 4037890, 5249257, 8075780, 10498514, 16151560, 20997028, 26246285, 41994056, 52492570, 104985140, 209970280]

約数ペア:

[(1, 209970280), (2, 104985140), (4, 52492570), (5, 41994056), (8, 26246285), (10, 20997028), (13, 16151560), (20, 10498514), (26, 8075780), (40, 5249257), (52, 4037890), (65, 3230312), (104, 2018945), (130, 1615156), (233, 901160), (260, 807578), (466, 450580), (520, 403789), (932, 225290), (1165, 180232), (1733, 121160), (1864, 112645), (2330, 90116), (3029, 69320), (3466, 60580), (4660, 45058), (6058, 34660), (6932, 30290), (8665, 24232), (9320, 22529), (12116, 17330), (13864, 15145)]