210898100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 559547520

約数和(自身を除く): 348649420

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 101, 133, 140, 157, 175, 190, 202, 266, 314, 350, 380, 404, 475, 505, 532, 628, 665, 700, 707, 785, 950, 1010, 1099, 1330, 1414, 1570, 1900, 1919, 2020, 2198, 2525, 2660, 2828, 2983, 3140, 3325, 3535, 3838, 3925, 4396, 5050, 5495, 5966, 6650, 7070, 7676, 7850, 9595, 10100, 10990, 11932, 13300, 13433, 14140, 14915, 15700, 15857, 17675, 19190, 20881, 21980, 26866, 27475, 29830, 31714, 35350, 38380, 41762, 47975, 53732, 54950, 59660, 63428, 67165, 70700, 74575, 79285, 83524, 95950, 104405, 109900, 110999, 134330, 149150, 158570, 191900, 208810, 221998, 268660, 298300, 301283, 317140, 335825, 396425, 417620, 443996, 522025, 554995, 602566, 671650, 792850, 1044050, 1109990, 1205132, 1343300, 1506415, 1585700, 2088100, 2108981, 2219980, 2774975, 3012830, 4217962, 5549950, 6025660, 7532075, 8435924, 10544905, 11099900, 15064150, 21089810, 30128300, 42179620, 52724525, 105449050, 210898100]

約数ペア:

[(1, 210898100), (2, 105449050), (4, 52724525), (5, 42179620), (7, 30128300), (10, 21089810), (14, 15064150), (19, 11099900), (20, 10544905), (25, 8435924), (28, 7532075), (35, 6025660), (38, 5549950), (50, 4217962), (70, 3012830), (76, 2774975), (95, 2219980), (100, 2108981), (101, 2088100), (133, 1585700), (140, 1506415), (157, 1343300), (175, 1205132), (190, 1109990), (202, 1044050), (266, 792850), (314, 671650), (350, 602566), (380, 554995), (404, 522025), (475, 443996), (505, 417620), (532, 396425), (628, 335825), (665, 317140), (700, 301283), (707, 298300), (785, 268660), (950, 221998), (1010, 208810), (1099, 191900), (1330, 158570), (1414, 149150), (1570, 134330), (1900, 110999), (1919, 109900), (2020, 104405), (2198, 95950), (2525, 83524), (2660, 79285), (2828, 74575), (2983, 70700), (3140, 67165), (3325, 63428), (3535, 59660), (3838, 54950), (3925, 53732), (4396, 47975), (5050, 41762), (5495, 38380), (5966, 35350), (6650, 31714), (7070, 29830), (7676, 27475), (7850, 26866), (9595, 21980), (10100, 20881), (10990, 19190), (11932, 17675), (13300, 15857), (13433, 15700), (14140, 14915)]