221970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{151}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 623808

約数和(自身を除く): 401838

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 151, 210, 245, 294, 302, 453, 490, 735, 755, 906, 1057, 1470, 1510, 2114, 2265, 3171, 4530, 5285, 6342, 7399, 10570, 14798, 15855, 22197, 31710, 36995, 44394, 73990, 110985, 221970]

約数ペア:

[(1, 221970), (2, 110985), (3, 73990), (5, 44394), (6, 36995), (7, 31710), (10, 22197), (14, 15855), (15, 14798), (21, 10570), (30, 7399), (35, 6342), (42, 5285), (49, 4530), (70, 3171), (98, 2265), (105, 2114), (147, 1510), (151, 1470), (210, 1057), (245, 906), (294, 755), (302, 735), (453, 490)]