209925800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:752

約数の個数: 144

約数和(自身を含む): 586926720

約数和(自身を除く): 377000920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 98, 100, 124, 140, 155, 175, 196, 200, 217, 245, 248, 280, 310, 350, 392, 434, 490, 620, 691, 700, 775, 868, 980, 1085, 1225, 1240, 1382, 1400, 1519, 1550, 1736, 1960, 2170, 2450, 2764, 3038, 3100, 3455, 4340, 4837, 4900, 5425, 5528, 6076, 6200, 6910, 7595, 8680, 9674, 9800, 10850, 12152, 13820, 15190, 17275, 19348, 21421, 21700, 24185, 27640, 30380, 33859, 34550, 37975, 38696, 42842, 43400, 48370, 60760, 67718, 69100, 75950, 85684, 96740, 107105, 120925, 135436, 138200, 149947, 151900, 169295, 171368, 193480, 214210, 241850, 270872, 299894, 303800, 338590, 428420, 483700, 535525, 599788, 677180, 749735, 846475, 856840, 967400, 1049629, 1071050, 1199576, 1354360, 1499470, 1692950, 2099258, 2142100, 2998940, 3385900, 3748675, 4198516, 4284200, 5248145, 5997880, 6771800, 7497350, 8397032, 10496290, 14994700, 20992580, 26240725, 29989400, 41985160, 52481450, 104962900, 209925800]

約数ペア:

[(1, 209925800), (2, 104962900), (4, 52481450), (5, 41985160), (7, 29989400), (8, 26240725), (10, 20992580), (14, 14994700), (20, 10496290), (25, 8397032), (28, 7497350), (31, 6771800), (35, 5997880), (40, 5248145), (49, 4284200), (50, 4198516), (56, 3748675), (62, 3385900), (70, 2998940), (98, 2142100), (100, 2099258), (124, 1692950), (140, 1499470), (155, 1354360), (175, 1199576), (196, 1071050), (200, 1049629), (217, 967400), (245, 856840), (248, 846475), (280, 749735), (310, 677180), (350, 599788), (392, 535525), (434, 483700), (490, 428420), (620, 338590), (691, 303800), (700, 299894), (775, 270872), (868, 241850), (980, 214210), (1085, 193480), (1225, 171368), (1240, 169295), (1382, 151900), (1400, 149947), (1519, 138200), (1550, 135436), (1736, 120925), (1960, 107105), (2170, 96740), (2450, 85684), (2764, 75950), (3038, 69100), (3100, 67718), (3455, 60760), (4340, 48370), (4837, 43400), (4900, 42842), (5425, 38696), (5528, 37975), (6076, 34550), (6200, 33859), (6910, 30380), (7595, 27640), (8680, 24185), (9674, 21700), (9800, 21421), (10850, 19348), (12152, 17275), (13820, 15190)]