201913250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:669

約数の個数: 128

約数和(自身を含む): 499779072

約数和(自身を除く): 297865822

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 25, 34, 35, 50, 55, 70, 77, 85, 110, 119, 125, 154, 170, 175, 187, 238, 250, 275, 350, 374, 385, 425, 550, 595, 617, 770, 850, 875, 935, 1190, 1234, 1309, 1375, 1750, 1870, 1925, 2125, 2618, 2750, 2975, 3085, 3850, 4250, 4319, 4675, 5950, 6170, 6545, 6787, 8638, 9350, 9625, 10489, 13090, 13574, 14875, 15425, 19250, 20978, 21595, 23375, 29750, 30850, 32725, 33935, 43190, 46750, 47509, 52445, 65450, 67870, 73423, 77125, 95018, 104890, 107975, 115379, 146846, 154250, 163625, 169675, 215950, 230758, 237545, 262225, 327250, 339350, 367115, 475090, 524450, 539875, 576895, 734230, 807653, 848375, 1079750, 1153790, 1187725, 1311125, 1615306, 1696750, 1835575, 2375450, 2622250, 2884475, 3671150, 4038265, 5768950, 5938625, 8076530, 9177875, 11877250, 14422375, 18355750, 20191325, 28844750, 40382650, 100956625, 201913250]

約数ペア:

[(1, 201913250), (2, 100956625), (5, 40382650), (7, 28844750), (10, 20191325), (11, 18355750), (14, 14422375), (17, 11877250), (22, 9177875), (25, 8076530), (34, 5938625), (35, 5768950), (50, 4038265), (55, 3671150), (70, 2884475), (77, 2622250), (85, 2375450), (110, 1835575), (119, 1696750), (125, 1615306), (154, 1311125), (170, 1187725), (175, 1153790), (187, 1079750), (238, 848375), (250, 807653), (275, 734230), (350, 576895), (374, 539875), (385, 524450), (425, 475090), (550, 367115), (595, 339350), (617, 327250), (770, 262225), (850, 237545), (875, 230758), (935, 215950), (1190, 169675), (1234, 163625), (1309, 154250), (1375, 146846), (1750, 115379), (1870, 107975), (1925, 104890), (2125, 95018), (2618, 77125), (2750, 73423), (2975, 67870), (3085, 65450), (3850, 52445), (4250, 47509), (4319, 46750), (4675, 43190), (5950, 33935), (6170, 32725), (6545, 30850), (6787, 29750), (8638, 23375), (9350, 21595), (9625, 20978), (10489, 19250), (13090, 15425), (13574, 14875)]