3121700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 7499520

約数和(自身を除く): 4377820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 53, 62, 76, 95, 100, 106, 124, 155, 190, 212, 265, 310, 380, 475, 530, 589, 620, 775, 950, 1007, 1060, 1178, 1325, 1550, 1643, 1900, 2014, 2356, 2650, 2945, 3100, 3286, 4028, 5035, 5300, 5890, 6572, 8215, 10070, 11780, 14725, 16430, 20140, 25175, 29450, 31217, 32860, 41075, 50350, 58900, 62434, 82150, 100700, 124868, 156085, 164300, 312170, 624340, 780425, 1560850, 3121700]

約数ペア:

[(1, 3121700), (2, 1560850), (4, 780425), (5, 624340), (10, 312170), (19, 164300), (20, 156085), (25, 124868), (31, 100700), (38, 82150), (50, 62434), (53, 58900), (62, 50350), (76, 41075), (95, 32860), (100, 31217), (106, 29450), (124, 25175), (155, 20140), (190, 16430), (212, 14725), (265, 11780), (310, 10070), (380, 8215), (475, 6572), (530, 5890), (589, 5300), (620, 5035), (775, 4028), (950, 3286), (1007, 3100), (1060, 2945), (1178, 2650), (1325, 2356), (1550, 2014), (1643, 1900)]