420891372

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{607}}^1$

素因数の和:748

約数の個数: 144

約数和(自身を含む): 1242888192

約数和(自身を除く): 821996820

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 103, 132, 153, 187, 198, 204, 206, 306, 309, 374, 396, 412, 561, 607, 612, 618, 748, 927, 1122, 1133, 1214, 1236, 1683, 1751, 1821, 1854, 2244, 2266, 2428, 3366, 3399, 3502, 3642, 3708, 4532, 5253, 5463, 6677, 6732, 6798, 7004, 7284, 10197, 10319, 10506, 10926, 13354, 13596, 15759, 19261, 20031, 20394, 20638, 21012, 21852, 26708, 30957, 31518, 38522, 40062, 40788, 41276, 57783, 60093, 61914, 62521, 63036, 77044, 80124, 92871, 113509, 115566, 120186, 123828, 125042, 173349, 185742, 187563, 227018, 231132, 240372, 250084, 340527, 346698, 371484, 375126, 454036, 562689, 681054, 687731, 693396, 750252, 1021581, 1062857, 1125378, 1362108, 1375462, 2043162, 2063193, 2125714, 2250756, 2750924, 3188571, 4086324, 4126386, 4251428, 6189579, 6377142, 8252772, 9565713, 11691427, 12379158, 12754284, 19131426, 23382854, 24758316, 35074281, 38262852, 46765708, 70148562, 105222843, 140297124, 210445686, 420891372]

約数ペア:

[(1, 420891372), (2, 210445686), (3, 140297124), (4, 105222843), (6, 70148562), (9, 46765708), (11, 38262852), (12, 35074281), (17, 24758316), (18, 23382854), (22, 19131426), (33, 12754284), (34, 12379158), (36, 11691427), (44, 9565713), (51, 8252772), (66, 6377142), (68, 6189579), (99, 4251428), (102, 4126386), (103, 4086324), (132, 3188571), (153, 2750924), (187, 2250756), (198, 2125714), (204, 2063193), (206, 2043162), (306, 1375462), (309, 1362108), (374, 1125378), (396, 1062857), (412, 1021581), (561, 750252), (607, 693396), (612, 687731), (618, 681054), (748, 562689), (927, 454036), (1122, 375126), (1133, 371484), (1214, 346698), (1236, 340527), (1683, 250084), (1751, 240372), (1821, 231132), (1854, 227018), (2244, 187563), (2266, 185742), (2428, 173349), (3366, 125042), (3399, 123828), (3502, 120186), (3642, 115566), (3708, 113509), (4532, 92871), (5253, 80124), (5463, 77044), (6677, 63036), (6732, 62521), (6798, 61914), (7004, 60093), (7284, 57783), (10197, 41276), (10319, 40788), (10506, 40062), (10926, 38522), (13354, 31518), (13596, 30957), (15759, 26708), (19261, 21852), (20031, 21012), (20394, 20638)]