87381090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10909}}^1$

素因数の和:11011

約数の個数: 48

約数和(自身を含む): 229764600

約数和(自身を除く): 142383510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2670, 4005, 8010, 10909, 21818, 32727, 54545, 65454, 98181, 109090, 163635, 196362, 327270, 490905, 970901, 981810, 1941802, 2912703, 4854505, 5825406, 8738109, 9709010, 14563515, 17476218, 29127030, 43690545, 87381090]

約数ペア:

[(1, 87381090), (2, 43690545), (3, 29127030), (5, 17476218), (6, 14563515), (9, 9709010), (10, 8738109), (15, 5825406), (18, 4854505), (30, 2912703), (45, 1941802), (89, 981810), (90, 970901), (178, 490905), (267, 327270), (445, 196362), (534, 163635), (801, 109090), (890, 98181), (1335, 65454), (1602, 54545), (2670, 32727), (4005, 21818), (8010, 10909)]