39998280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2801}}^1$

素因数の和:2839

約数の個数: 128

約数和(自身を含む): 145255680

約数和(自身を除く): 105257400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2801, 2856, 3570, 4760, 5602, 7140, 8403, 11204, 14005, 14280, 16806, 19607, 22408, 28010, 33612, 39214, 42015, 47617, 56020, 58821, 67224, 78428, 84030, 95234, 98035, 112040, 117642, 142851, 156856, 168060, 190468, 196070, 235284, 238085, 285702, 294105, 333319, 336120, 380936, 392140, 470568, 476170, 571404, 588210, 666638, 714255, 784280, 952340, 999957, 1142808, 1176420, 1333276, 1428510, 1666595, 1904680, 1999914, 2352840, 2666552, 2857020, 3333190, 3999828, 4999785, 5714040, 6666380, 7999656, 9999570, 13332760, 19999140, 39998280]

約数ペア:

[(1, 39998280), (2, 19999140), (3, 13332760), (4, 9999570), (5, 7999656), (6, 6666380), (7, 5714040), (8, 4999785), (10, 3999828), (12, 3333190), (14, 2857020), (15, 2666552), (17, 2352840), (20, 1999914), (21, 1904680), (24, 1666595), (28, 1428510), (30, 1333276), (34, 1176420), (35, 1142808), (40, 999957), (42, 952340), (51, 784280), (56, 714255), (60, 666638), (68, 588210), (70, 571404), (84, 476170), (85, 470568), (102, 392140), (105, 380936), (119, 336120), (120, 333319), (136, 294105), (140, 285702), (168, 238085), (170, 235284), (204, 196070), (210, 190468), (238, 168060), (255, 156856), (280, 142851), (340, 117642), (357, 112040), (408, 98035), (420, 95234), (476, 84030), (510, 78428), (595, 67224), (680, 58821), (714, 56020), (840, 47617), (952, 42015), (1020, 39214), (1190, 33612), (1428, 28010), (1785, 22408), (2040, 19607), (2380, 16806), (2801, 14280), (2856, 14005), (3570, 11204), (4760, 8403), (5602, 7140)]