398705440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4289}}^1$

素因数の和:4394

約数の個数: 96

約数和(自身を含む): 1089728640

約数和(自身を除く): 691023200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 83, 112, 140, 160, 166, 224, 280, 332, 415, 560, 581, 664, 830, 1120, 1162, 1328, 1660, 2324, 2656, 2905, 3320, 4289, 4648, 5810, 6640, 8578, 9296, 11620, 13280, 17156, 18592, 21445, 23240, 30023, 34312, 42890, 46480, 60046, 68624, 85780, 92960, 120092, 137248, 150115, 171560, 240184, 300230, 343120, 355987, 480368, 600460, 686240, 711974, 960736, 1200920, 1423948, 1779935, 2401840, 2491909, 2847896, 3559870, 4803680, 4983818, 5695792, 7119740, 9967636, 11391584, 12459545, 14239480, 19935272, 24919090, 28478960, 39870544, 49838180, 56957920, 79741088, 99676360, 199352720, 398705440]

約数ペア:

[(1, 398705440), (2, 199352720), (4, 99676360), (5, 79741088), (7, 56957920), (8, 49838180), (10, 39870544), (14, 28478960), (16, 24919090), (20, 19935272), (28, 14239480), (32, 12459545), (35, 11391584), (40, 9967636), (56, 7119740), (70, 5695792), (80, 4983818), (83, 4803680), (112, 3559870), (140, 2847896), (160, 2491909), (166, 2401840), (224, 1779935), (280, 1423948), (332, 1200920), (415, 960736), (560, 711974), (581, 686240), (664, 600460), (830, 480368), (1120, 355987), (1162, 343120), (1328, 300230), (1660, 240184), (2324, 171560), (2656, 150115), (2905, 137248), (3320, 120092), (4289, 92960), (4648, 85780), (5810, 68624), (6640, 60046), (8578, 46480), (9296, 42890), (11620, 34312), (13280, 30023), (17156, 23240), (18592, 21445)]