199970540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1459}}^1$

素因数の和:1575

約数の個数: 96

約数和(自身を含む): 529804800

約数和(自身を除く): 329834260

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 89, 110, 140, 154, 178, 220, 308, 356, 385, 445, 623, 770, 890, 979, 1246, 1459, 1540, 1780, 1958, 2492, 2918, 3115, 3916, 4895, 5836, 6230, 6853, 7295, 9790, 10213, 12460, 13706, 14590, 16049, 19580, 20426, 27412, 29180, 32098, 34265, 40852, 51065, 64196, 68530, 80245, 102130, 112343, 129851, 137060, 160490, 204260, 224686, 259702, 320980, 449372, 519404, 561715, 649255, 908957, 1123430, 1298510, 1428361, 1817914, 2246860, 2597020, 2856722, 3635828, 4544785, 5713444, 7141805, 9089570, 9998527, 14283610, 18179140, 19997054, 28567220, 39994108, 49992635, 99985270, 199970540]

約数ペア:

[(1, 199970540), (2, 99985270), (4, 49992635), (5, 39994108), (7, 28567220), (10, 19997054), (11, 18179140), (14, 14283610), (20, 9998527), (22, 9089570), (28, 7141805), (35, 5713444), (44, 4544785), (55, 3635828), (70, 2856722), (77, 2597020), (89, 2246860), (110, 1817914), (140, 1428361), (154, 1298510), (178, 1123430), (220, 908957), (308, 649255), (356, 561715), (385, 519404), (445, 449372), (623, 320980), (770, 259702), (890, 224686), (979, 204260), (1246, 160490), (1459, 137060), (1540, 129851), (1780, 112343), (1958, 102130), (2492, 80245), (2918, 68530), (3115, 64196), (3916, 51065), (4895, 40852), (5836, 34265), (6230, 32098), (6853, 29180), (7295, 27412), (9790, 20426), (10213, 19580), (12460, 16049), (13706, 14590)]