1053990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{239}}^1$

素因数の和:266

約数の個数: 72

約数和(自身を含む): 3201120

約数和(自身を除く): 2147130

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, 239, 245, 294, 315, 441, 478, 490, 630, 717, 735, 882, 1195, 1434, 1470, 1673, 2151, 2205, 2390, 3346, 3585, 4302, 4410, 5019, 7170, 8365, 10038, 10755, 11711, 15057, 16730, 21510, 23422, 25095, 30114, 35133, 50190, 58555, 70266, 75285, 105399, 117110, 150570, 175665, 210798, 351330, 526995, 1053990]

約数ペア:

[(1, 1053990), (2, 526995), (3, 351330), (5, 210798), (6, 175665), (7, 150570), (9, 117110), (10, 105399), (14, 75285), (15, 70266), (18, 58555), (21, 50190), (30, 35133), (35, 30114), (42, 25095), (45, 23422), (49, 21510), (63, 16730), (70, 15057), (90, 11711), (98, 10755), (105, 10038), (126, 8365), (147, 7170), (210, 5019), (239, 4410), (245, 4302), (294, 3585), (315, 3346), (441, 2390), (478, 2205), (490, 2151), (630, 1673), (717, 1470), (735, 1434), (882, 1195)]