29152840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 69984000

約数和(自身を除く): 40831160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 431, 445, 712, 760, 862, 890, 1691, 1724, 1780, 2155, 3382, 3448, 3560, 4310, 6764, 8189, 8455, 8620, 13528, 16378, 16910, 17240, 32756, 33820, 38359, 40945, 65512, 67640, 76718, 81890, 153436, 163780, 191795, 306872, 327560, 383590, 728821, 767180, 1457642, 1534360, 2915284, 3644105, 5830568, 7288210, 14576420, 29152840]

約数ペア:

[(1, 29152840), (2, 14576420), (4, 7288210), (5, 5830568), (8, 3644105), (10, 2915284), (19, 1534360), (20, 1457642), (38, 767180), (40, 728821), (76, 383590), (89, 327560), (95, 306872), (152, 191795), (178, 163780), (190, 153436), (356, 81890), (380, 76718), (431, 67640), (445, 65512), (712, 40945), (760, 38359), (862, 33820), (890, 32756), (1691, 17240), (1724, 16910), (1780, 16378), (2155, 13528), (3382, 8620), (3448, 8455), (3560, 8189), (4310, 6764)]