221500160

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 618105600

約数和(自身を除く): 396605440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 64, 70, 80, 112, 118, 128, 140, 160, 224, 236, 256, 280, 295, 320, 413, 419, 448, 472, 560, 590, 640, 826, 838, 896, 944, 1120, 1180, 1280, 1652, 1676, 1792, 1888, 2065, 2095, 2240, 2360, 2933, 3304, 3352, 3776, 4130, 4190, 4480, 4720, 5866, 6608, 6704, 7552, 8260, 8380, 8960, 9440, 11732, 13216, 13408, 14665, 15104, 16520, 16760, 18880, 23464, 24721, 26432, 26816, 29330, 33040, 33520, 37760, 46928, 49442, 52864, 53632, 58660, 66080, 67040, 75520, 93856, 98884, 105728, 107264, 117320, 123605, 132160, 134080, 173047, 187712, 197768, 234640, 247210, 264320, 268160, 346094, 375424, 395536, 469280, 494420, 528640, 536320, 692188, 750848, 791072, 865235, 938560, 988840, 1384376, 1582144, 1730470, 1877120, 1977680, 2768752, 3164288, 3460940, 3754240, 3955360, 5537504, 6328576, 6921880, 7910720, 11075008, 13843760, 15821440, 22150016, 27687520, 31642880, 44300032, 55375040, 110750080, 221500160]

約数ペア:

[(1, 221500160), (2, 110750080), (4, 55375040), (5, 44300032), (7, 31642880), (8, 27687520), (10, 22150016), (14, 15821440), (16, 13843760), (20, 11075008), (28, 7910720), (32, 6921880), (35, 6328576), (40, 5537504), (56, 3955360), (59, 3754240), (64, 3460940), (70, 3164288), (80, 2768752), (112, 1977680), (118, 1877120), (128, 1730470), (140, 1582144), (160, 1384376), (224, 988840), (236, 938560), (256, 865235), (280, 791072), (295, 750848), (320, 692188), (413, 536320), (419, 528640), (448, 494420), (472, 469280), (560, 395536), (590, 375424), (640, 346094), (826, 268160), (838, 264320), (896, 247210), (944, 234640), (1120, 197768), (1180, 187712), (1280, 173047), (1652, 134080), (1676, 132160), (1792, 123605), (1888, 117320), (2065, 107264), (2095, 105728), (2240, 98884), (2360, 93856), (2933, 75520), (3304, 67040), (3352, 66080), (3776, 58660), (4130, 53632), (4190, 52864), (4480, 49442), (4720, 46928), (5866, 37760), (6608, 33520), (6704, 33040), (7552, 29330), (8260, 26816), (8380, 26432), (8960, 24721), (9440, 23464), (11732, 18880), (13216, 16760), (13408, 16520), (14665, 15104)]