68908700

素因数分解:

$2^2\times 5^2\times 7^5\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 108

約数和(自身を含む): 178707312

約数和(自身を除く): 109798612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 49, 50, 70, 82, 98, 100, 140, 164, 175, 196, 205, 245, 287, 343, 350, 410, 490, 574, 686, 700, 820, 980, 1025, 1148, 1225, 1372, 1435, 1715, 2009, 2050, 2401, 2450, 2870, 3430, 4018, 4100, 4802, 4900, 5740, 6860, 7175, 8036, 8575, 9604, 10045, 12005, 14063, 14350, 16807, 17150, 20090, 24010, 28126, 28700, 33614, 34300, 40180, 48020, 50225, 56252, 60025, 67228, 70315, 84035, 98441, 100450, 120050, 140630, 168070, 196882, 200900, 240100, 281260, 336140, 351575, 393764, 420175, 492205, 689087, 703150, 840350, 984410, 1378174, 1406300, 1680700, 1968820, 2461025, 2756348, 3445435, 4922050, 6890870, 9844100, 13781740, 17227175, 34454350, 68908700]

約数ペア:

[(1, 68908700), (2, 34454350), (4, 17227175), (5, 13781740), (7, 9844100), (10, 6890870), (14, 4922050), (20, 3445435), (25, 2756348), (28, 2461025), (35, 1968820), (41, 1680700), (49, 1406300), (50, 1378174), (70, 984410), (82, 840350), (98, 703150), (100, 689087), (140, 492205), (164, 420175), (175, 393764), (196, 351575), (205, 336140), (245, 281260), (287, 240100), (343, 200900), (350, 196882), (410, 168070), (490, 140630), (574, 120050), (686, 100450), (700, 98441), (820, 84035), (980, 70315), (1025, 67228), (1148, 60025), (1225, 56252), (1372, 50225), (1435, 48020), (1715, 40180), (2009, 34300), (2050, 33614), (2401, 28700), (2450, 28126), (2870, 24010), (3430, 20090), (4018, 17150), (4100, 16807), (4802, 14350), (4900, 14063), (5740, 12005), (6860, 10045), (7175, 9604), (8036, 8575)]