205390500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:691

約数の個数: 192

約数和(自身を含む): 706707456

約数和(自身を除く): 501316956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 84, 93, 100, 105, 124, 125, 140, 150, 155, 175, 186, 210, 217, 250, 300, 310, 350, 372, 375, 420, 434, 465, 500, 525, 620, 631, 651, 700, 750, 775, 868, 875, 930, 1050, 1085, 1262, 1302, 1500, 1550, 1750, 1860, 1893, 2100, 2170, 2325, 2524, 2604, 2625, 3100, 3155, 3255, 3500, 3786, 3875, 4340, 4417, 4650, 5250, 5425, 6310, 6510, 7572, 7750, 8834, 9300, 9465, 10500, 10850, 11625, 12620, 13020, 13251, 15500, 15775, 16275, 17668, 18930, 19561, 21700, 22085, 23250, 26502, 27125, 31550, 32550, 37860, 39122, 44170, 46500, 47325, 53004, 54250, 58683, 63100, 65100, 66255, 78244, 78875, 81375, 88340, 94650, 97805, 108500, 110425, 117366, 132510, 136927, 157750, 162750, 189300, 195610, 220850, 234732, 236625, 265020, 273854, 293415, 315500, 325500, 331275, 391220, 410781, 441700, 473250, 489025, 547708, 552125, 586830, 662550, 684635, 821562, 946500, 978050, 1104250, 1173660, 1325100, 1369270, 1467075, 1643124, 1656375, 1956100, 2053905, 2208500, 2445125, 2738540, 2934150, 3312750, 3423175, 4107810, 4890250, 5868300, 6625500, 6846350, 7335375, 8215620, 9780500, 10269525, 13692700, 14670750, 17115875, 20539050, 29341500, 34231750, 41078100, 51347625, 68463500, 102695250, 205390500]

約数ペア:

[(1, 205390500), (2, 102695250), (3, 68463500), (4, 51347625), (5, 41078100), (6, 34231750), (7, 29341500), (10, 20539050), (12, 17115875), (14, 14670750), (15, 13692700), (20, 10269525), (21, 9780500), (25, 8215620), (28, 7335375), (30, 6846350), (31, 6625500), (35, 5868300), (42, 4890250), (50, 4107810), (60, 3423175), (62, 3312750), (70, 2934150), (75, 2738540), (84, 2445125), (93, 2208500), (100, 2053905), (105, 1956100), (124, 1656375), (125, 1643124), (140, 1467075), (150, 1369270), (155, 1325100), (175, 1173660), (186, 1104250), (210, 978050), (217, 946500), (250, 821562), (300, 684635), (310, 662550), (350, 586830), (372, 552125), (375, 547708), (420, 489025), (434, 473250), (465, 441700), (500, 410781), (525, 391220), (620, 331275), (631, 325500), (651, 315500), (700, 293415), (750, 273854), (775, 265020), (868, 236625), (875, 234732), (930, 220850), (1050, 195610), (1085, 189300), (1262, 162750), (1302, 157750), (1500, 136927), (1550, 132510), (1750, 117366), (1860, 110425), (1893, 108500), (2100, 97805), (2170, 94650), (2325, 88340), (2524, 81375), (2604, 78875), (2625, 78244), (3100, 66255), (3155, 65100), (3255, 63100), (3500, 58683), (3786, 54250), (3875, 53004), (4340, 47325), (4417, 46500), (4650, 44170), (5250, 39122), (5425, 37860), (6310, 32550), (6510, 31550), (7572, 27125), (7750, 26502), (8834, 23250), (9300, 22085), (9465, 21700), (10500, 19561), (10850, 18930), (11625, 17668), (12620, 16275), (13020, 15775), (13251, 15500)]