25751460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 88482240

約数和(自身を除く): 62730780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 461, 490, 532, 570, 588, 665, 735, 798, 922, 931, 980, 1140, 1330, 1383, 1470, 1596, 1844, 1862, 1995, 2305, 2660, 2766, 2793, 2940, 3227, 3724, 3990, 4610, 4655, 5532, 5586, 6454, 6915, 7980, 8759, 9220, 9310, 9681, 11172, 12908, 13830, 13965, 16135, 17518, 18620, 19362, 22589, 26277, 27660, 27930, 32270, 35036, 38724, 43795, 45178, 48405, 52554, 55860, 61313, 64540, 67767, 87590, 90356, 96810, 105108, 112945, 122626, 131385, 135534, 175180, 183939, 193620, 225890, 245252, 262770, 271068, 306565, 338835, 367878, 429191, 451780, 525540, 613130, 677670, 735756, 858382, 919695, 1226260, 1287573, 1355340, 1716764, 1839390, 2145955, 2575146, 3678780, 4291910, 5150292, 6437865, 8583820, 12875730, 25751460]

約数ペア:

[(1, 25751460), (2, 12875730), (3, 8583820), (4, 6437865), (5, 5150292), (6, 4291910), (7, 3678780), (10, 2575146), (12, 2145955), (14, 1839390), (15, 1716764), (19, 1355340), (20, 1287573), (21, 1226260), (28, 919695), (30, 858382), (35, 735756), (38, 677670), (42, 613130), (49, 525540), (57, 451780), (60, 429191), (70, 367878), (76, 338835), (84, 306565), (95, 271068), (98, 262770), (105, 245252), (114, 225890), (133, 193620), (140, 183939), (147, 175180), (190, 135534), (196, 131385), (210, 122626), (228, 112945), (245, 105108), (266, 96810), (285, 90356), (294, 87590), (380, 67767), (399, 64540), (420, 61313), (461, 55860), (490, 52554), (532, 48405), (570, 45178), (588, 43795), (665, 38724), (735, 35036), (798, 32270), (922, 27930), (931, 27660), (980, 26277), (1140, 22589), (1330, 19362), (1383, 18620), (1470, 17518), (1596, 16135), (1844, 13965), (1862, 13830), (1995, 12908), (2305, 11172), (2660, 9681), (2766, 9310), (2793, 9220), (2940, 8759), (3227, 7980), (3724, 6915), (3990, 6454), (4610, 5586), (4655, 5532)]