205402590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{887}}^1$

素因数の和:1014

約数の個数: 96

約数和(自身を含む): 558544896

約数和(自身を除く): 353142306

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 83, 90, 93, 155, 166, 186, 249, 279, 310, 415, 465, 498, 558, 747, 830, 887, 930, 1245, 1395, 1494, 1774, 2490, 2573, 2661, 2790, 3735, 4435, 5146, 5322, 7470, 7719, 7983, 8870, 12865, 13305, 15438, 15966, 23157, 25730, 26610, 27497, 38595, 39915, 46314, 54994, 73621, 77190, 79830, 82491, 115785, 137485, 147242, 164982, 220863, 231570, 247473, 274970, 368105, 412455, 441726, 494946, 662589, 736210, 824910, 1104315, 1237365, 1325178, 2208630, 2282251, 2474730, 3312945, 4564502, 6625890, 6846753, 11411255, 13693506, 20540259, 22822510, 34233765, 41080518, 68467530, 102701295, 205402590]

約数ペア:

[(1, 205402590), (2, 102701295), (3, 68467530), (5, 41080518), (6, 34233765), (9, 22822510), (10, 20540259), (15, 13693506), (18, 11411255), (30, 6846753), (31, 6625890), (45, 4564502), (62, 3312945), (83, 2474730), (90, 2282251), (93, 2208630), (155, 1325178), (166, 1237365), (186, 1104315), (249, 824910), (279, 736210), (310, 662589), (415, 494946), (465, 441726), (498, 412455), (558, 368105), (747, 274970), (830, 247473), (887, 231570), (930, 220863), (1245, 164982), (1395, 147242), (1494, 137485), (1774, 115785), (2490, 82491), (2573, 79830), (2661, 77190), (2790, 73621), (3735, 54994), (4435, 46314), (5146, 39915), (5322, 38595), (7470, 27497), (7719, 26610), (7983, 25730), (8870, 23157), (12865, 15966), (13305, 15438)]