201231870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:410

約数の個数: 128

約数和(自身を含む): 577290240

約数和(自身を除く): 376058370

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 173, 174, 191, 203, 210, 290, 346, 382, 406, 435, 519, 573, 609, 865, 870, 955, 1015, 1038, 1146, 1211, 1218, 1337, 1730, 1910, 2030, 2422, 2595, 2674, 2865, 3045, 3633, 4011, 5017, 5190, 5539, 5730, 6055, 6090, 6685, 7266, 8022, 10034, 11078, 12110, 13370, 15051, 16617, 18165, 20055, 25085, 27695, 30102, 33043, 33234, 35119, 36330, 38773, 40110, 50170, 55390, 66086, 70238, 75255, 77546, 83085, 99129, 105357, 116319, 150510, 165215, 166170, 175595, 193865, 198258, 210714, 231301, 232638, 330430, 351190, 387730, 462602, 495645, 526785, 581595, 693903, 958247, 991290, 1053570, 1156505, 1163190, 1387806, 1916494, 2313010, 2874741, 3469515, 4791235, 5749482, 6707729, 6939030, 9582470, 13415458, 14373705, 20123187, 28747410, 33538645, 40246374, 67077290, 100615935, 201231870]

約数ペア:

[(1, 201231870), (2, 100615935), (3, 67077290), (5, 40246374), (6, 33538645), (7, 28747410), (10, 20123187), (14, 14373705), (15, 13415458), (21, 9582470), (29, 6939030), (30, 6707729), (35, 5749482), (42, 4791235), (58, 3469515), (70, 2874741), (87, 2313010), (105, 1916494), (145, 1387806), (173, 1163190), (174, 1156505), (191, 1053570), (203, 991290), (210, 958247), (290, 693903), (346, 581595), (382, 526785), (406, 495645), (435, 462602), (519, 387730), (573, 351190), (609, 330430), (865, 232638), (870, 231301), (955, 210714), (1015, 198258), (1038, 193865), (1146, 175595), (1211, 166170), (1218, 165215), (1337, 150510), (1730, 116319), (1910, 105357), (2030, 99129), (2422, 83085), (2595, 77546), (2674, 75255), (2865, 70238), (3045, 66086), (3633, 55390), (4011, 50170), (5017, 40110), (5190, 38773), (5539, 36330), (5730, 35119), (6055, 33234), (6090, 33043), (6685, 30102), (7266, 27695), (8022, 25085), (10034, 20055), (11078, 18165), (12110, 16617), (13370, 15051)]