79009700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 221319168

約数和(自身を除く): 142309468

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 31, 35, 44, 50, 55, 62, 70, 77, 100, 110, 124, 140, 154, 155, 175, 217, 220, 275, 308, 310, 331, 341, 350, 385, 434, 550, 620, 662, 682, 700, 770, 775, 868, 1085, 1100, 1324, 1364, 1540, 1550, 1655, 1705, 1925, 2170, 2317, 2387, 3100, 3310, 3410, 3641, 3850, 4340, 4634, 4774, 5425, 6620, 6820, 7282, 7700, 8275, 8525, 9268, 9548, 10261, 10850, 11585, 11935, 14564, 16550, 17050, 18205, 20522, 21700, 23170, 23870, 25487, 33100, 34100, 36410, 41044, 46340, 47740, 50974, 51305, 57925, 59675, 71827, 72820, 91025, 101948, 102610, 112871, 115850, 119350, 127435, 143654, 182050, 205220, 225742, 231700, 238700, 254870, 256525, 287308, 359135, 364100, 451484, 509740, 513050, 564355, 637175, 718270, 790097, 1026100, 1128710, 1274350, 1436540, 1580194, 1795675, 2257420, 2548700, 2821775, 3160388, 3591350, 3950485, 5643550, 7182700, 7900970, 11287100, 15801940, 19752425, 39504850, 79009700]

約数ペア:

[(1, 79009700), (2, 39504850), (4, 19752425), (5, 15801940), (7, 11287100), (10, 7900970), (11, 7182700), (14, 5643550), (20, 3950485), (22, 3591350), (25, 3160388), (28, 2821775), (31, 2548700), (35, 2257420), (44, 1795675), (50, 1580194), (55, 1436540), (62, 1274350), (70, 1128710), (77, 1026100), (100, 790097), (110, 718270), (124, 637175), (140, 564355), (154, 513050), (155, 509740), (175, 451484), (217, 364100), (220, 359135), (275, 287308), (308, 256525), (310, 254870), (331, 238700), (341, 231700), (350, 225742), (385, 205220), (434, 182050), (550, 143654), (620, 127435), (662, 119350), (682, 115850), (700, 112871), (770, 102610), (775, 101948), (868, 91025), (1085, 72820), (1100, 71827), (1324, 59675), (1364, 57925), (1540, 51305), (1550, 50974), (1655, 47740), (1705, 46340), (1925, 41044), (2170, 36410), (2317, 34100), (2387, 33100), (3100, 25487), (3310, 23870), (3410, 23170), (3641, 21700), (3850, 20522), (4340, 18205), (4634, 17050), (4774, 16550), (5425, 14564), (6620, 11935), (6820, 11585), (7282, 10850), (7700, 10261), (8275, 9548), (8525, 9268)]