140575540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:481

約数の個数: 96

約数和(自身を含む): 355622400

約数和(自身を除く): 215046860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 149, 161, 230, 293, 298, 322, 460, 586, 596, 644, 745, 805, 1043, 1172, 1465, 1490, 1610, 2051, 2086, 2930, 2980, 3220, 3427, 4102, 4172, 5215, 5860, 6739, 6854, 8204, 10255, 10430, 13478, 13708, 17135, 20510, 20860, 23989, 26956, 33695, 34270, 41020, 43657, 47173, 47978, 67390, 68540, 87314, 94346, 95956, 119945, 134780, 174628, 188692, 218285, 235865, 239890, 305599, 436570, 471730, 479780, 611198, 873140, 943460, 1004111, 1222396, 1527995, 2008222, 3055990, 4016444, 5020555, 6111980, 7028777, 10041110, 14057554, 20082220, 28115108, 35143885, 70287770, 140575540]

約数ペア:

[(1, 140575540), (2, 70287770), (4, 35143885), (5, 28115108), (7, 20082220), (10, 14057554), (14, 10041110), (20, 7028777), (23, 6111980), (28, 5020555), (35, 4016444), (46, 3055990), (70, 2008222), (92, 1527995), (115, 1222396), (140, 1004111), (149, 943460), (161, 873140), (230, 611198), (293, 479780), (298, 471730), (322, 436570), (460, 305599), (586, 239890), (596, 235865), (644, 218285), (745, 188692), (805, 174628), (1043, 134780), (1172, 119945), (1465, 95956), (1490, 94346), (1610, 87314), (2051, 68540), (2086, 67390), (2930, 47978), (2980, 47173), (3220, 43657), (3427, 41020), (4102, 34270), (4172, 33695), (5215, 26956), (5860, 23989), (6739, 20860), (6854, 20510), (8204, 17135), (10255, 13708), (10430, 13478)]