140639310

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{31891}}^1$

素因数の和:31918

約数の個数: 72

約数和(自身を含む): 425375496

約数和(自身を除く): 284736186

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 31891, 63782, 95673, 159455, 191346, 223237, 287019, 318910, 446474, 478365, 574038, 669711, 956730, 1116185, 1339422, 1435095, 1562659, 2009133, 2232370, 2870190, 3125318, 3348555, 4018266, 4687977, 6697110, 7813295, 9375954, 10045665, 14063931, 15626590, 20091330, 23439885, 28127862, 46879770, 70319655, 140639310]

約数ペア:

[(1, 140639310), (2, 70319655), (3, 46879770), (5, 28127862), (6, 23439885), (7, 20091330), (9, 15626590), (10, 14063931), (14, 10045665), (15, 9375954), (18, 7813295), (21, 6697110), (30, 4687977), (35, 4018266), (42, 3348555), (45, 3125318), (49, 2870190), (63, 2232370), (70, 2009133), (90, 1562659), (98, 1435095), (105, 1339422), (126, 1116185), (147, 956730), (210, 669711), (245, 574038), (294, 478365), (315, 446474), (441, 318910), (490, 287019), (630, 223237), (735, 191346), (882, 159455), (1470, 95673), (2205, 63782), (4410, 31891)]