25804380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 85954176

約数和(自身を除く): 60149796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 67, 70, 84, 98, 105, 131, 134, 140, 147, 196, 201, 210, 245, 262, 268, 294, 335, 393, 402, 420, 469, 490, 524, 588, 655, 670, 735, 786, 804, 917, 938, 980, 1005, 1310, 1340, 1407, 1470, 1572, 1834, 1876, 1965, 2010, 2345, 2620, 2751, 2814, 2940, 3283, 3668, 3930, 4020, 4585, 4690, 5502, 5628, 6419, 6566, 7035, 7860, 8777, 9170, 9380, 9849, 11004, 12838, 13132, 13755, 14070, 16415, 17554, 18340, 19257, 19698, 25676, 26331, 27510, 28140, 32095, 32830, 35108, 38514, 39396, 43885, 49245, 52662, 55020, 61439, 64190, 65660, 77028, 87770, 96285, 98490, 105324, 122878, 128380, 131655, 175540, 184317, 192570, 196980, 245756, 263310, 307195, 368634, 385140, 430073, 526620, 614390, 737268, 860146, 921585, 1228780, 1290219, 1720292, 1843170, 2150365, 2580438, 3686340, 4300730, 5160876, 6451095, 8601460, 12902190, 25804380]

約数ペア:

[(1, 25804380), (2, 12902190), (3, 8601460), (4, 6451095), (5, 5160876), (6, 4300730), (7, 3686340), (10, 2580438), (12, 2150365), (14, 1843170), (15, 1720292), (20, 1290219), (21, 1228780), (28, 921585), (30, 860146), (35, 737268), (42, 614390), (49, 526620), (60, 430073), (67, 385140), (70, 368634), (84, 307195), (98, 263310), (105, 245756), (131, 196980), (134, 192570), (140, 184317), (147, 175540), (196, 131655), (201, 128380), (210, 122878), (245, 105324), (262, 98490), (268, 96285), (294, 87770), (335, 77028), (393, 65660), (402, 64190), (420, 61439), (469, 55020), (490, 52662), (524, 49245), (588, 43885), (655, 39396), (670, 38514), (735, 35108), (786, 32830), (804, 32095), (917, 28140), (938, 27510), (980, 26331), (1005, 25676), (1310, 19698), (1340, 19257), (1407, 18340), (1470, 17554), (1572, 16415), (1834, 14070), (1876, 13755), (1965, 13132), (2010, 12838), (2345, 11004), (2620, 9849), (2751, 9380), (2814, 9170), (2940, 8777), (3283, 7860), (3668, 7035), (3930, 6566), (4020, 6419), (4585, 5628), (4690, 5502)]