1329366920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{249881}}^1$

素因数の和:249918

約数の個数: 64

約数和(自身を含む): 3598300800

約数和(自身を除く): 2268933880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 249881, 499762, 999524, 1249405, 1749167, 1999048, 2498810, 3498334, 4747739, 4997620, 6996668, 8745835, 9495478, 9995240, 13993336, 17491670, 18990956, 23738695, 33234173, 34983340, 37981912, 47477390, 66468346, 69966680, 94954780, 132936692, 166170865, 189909560, 265873384, 332341730, 664683460, 1329366920]

約数ペア:

[(1, 1329366920), (2, 664683460), (4, 332341730), (5, 265873384), (7, 189909560), (8, 166170865), (10, 132936692), (14, 94954780), (19, 69966680), (20, 66468346), (28, 47477390), (35, 37981912), (38, 34983340), (40, 33234173), (56, 23738695), (70, 18990956), (76, 17491670), (95, 13993336), (133, 9995240), (140, 9495478), (152, 8745835), (190, 6996668), (266, 4997620), (280, 4747739), (380, 3498334), (532, 2498810), (665, 1999048), (760, 1749167), (1064, 1249405), (1330, 999524), (2660, 499762), (5320, 249881)]