349261640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:679

約数の個数: 128

約数和(自身を含む): 973728000

約数和(自身を除く): 624466360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 229, 260, 280, 364, 419, 455, 458, 520, 728, 838, 910, 916, 1145, 1603, 1676, 1820, 1832, 2095, 2290, 2933, 2977, 3206, 3352, 3640, 4190, 4580, 5447, 5866, 5954, 6412, 8015, 8380, 9160, 10894, 11732, 11908, 12824, 14665, 14885, 16030, 16760, 20839, 21788, 23464, 23816, 27235, 29330, 29770, 32060, 38129, 41678, 43576, 54470, 58660, 59540, 64120, 76258, 83356, 95951, 104195, 108940, 117320, 119080, 152516, 166712, 190645, 191902, 208390, 217880, 305032, 381290, 383804, 416780, 479755, 671657, 762580, 767608, 833560, 959510, 1247363, 1343314, 1525160, 1919020, 2494726, 2686628, 3358285, 3838040, 4989452, 5373256, 6236815, 6716570, 8731541, 9978904, 12473630, 13433140, 17463082, 24947260, 26866280, 34926164, 43657705, 49894520, 69852328, 87315410, 174630820, 349261640]

約数ペア:

[(1, 349261640), (2, 174630820), (4, 87315410), (5, 69852328), (7, 49894520), (8, 43657705), (10, 34926164), (13, 26866280), (14, 24947260), (20, 17463082), (26, 13433140), (28, 12473630), (35, 9978904), (40, 8731541), (52, 6716570), (56, 6236815), (65, 5373256), (70, 4989452), (91, 3838040), (104, 3358285), (130, 2686628), (140, 2494726), (182, 1919020), (229, 1525160), (260, 1343314), (280, 1247363), (364, 959510), (419, 833560), (455, 767608), (458, 762580), (520, 671657), (728, 479755), (838, 416780), (910, 383804), (916, 381290), (1145, 305032), (1603, 217880), (1676, 208390), (1820, 191902), (1832, 190645), (2095, 166712), (2290, 152516), (2933, 119080), (2977, 117320), (3206, 108940), (3352, 104195), (3640, 95951), (4190, 83356), (4580, 76258), (5447, 64120), (5866, 59540), (5954, 58660), (6412, 54470), (8015, 43576), (8380, 41678), (9160, 38129), (10894, 32060), (11732, 29770), (11908, 29330), (12824, 27235), (14665, 23816), (14885, 23464), (16030, 21788), (16760, 20839)]