22420000

素因数分解:

$2^5\times 5^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:108

約数の個数: 120

約数和(自身を含む): 59043600

約数和(自身を除く): 36623600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 59, 76, 80, 95, 100, 118, 125, 152, 160, 190, 200, 236, 250, 295, 304, 380, 400, 472, 475, 500, 590, 608, 625, 760, 800, 944, 950, 1000, 1121, 1180, 1250, 1475, 1520, 1888, 1900, 2000, 2242, 2360, 2375, 2500, 2950, 3040, 3800, 4000, 4484, 4720, 4750, 5000, 5605, 5900, 7375, 7600, 8968, 9440, 9500, 10000, 11210, 11800, 11875, 14750, 15200, 17936, 19000, 20000, 22420, 23600, 23750, 28025, 29500, 35872, 36875, 38000, 44840, 47200, 47500, 56050, 59000, 73750, 76000, 89680, 95000, 112100, 118000, 140125, 147500, 179360, 190000, 224200, 236000, 280250, 295000, 380000, 448400, 560500, 590000, 700625, 896800, 1121000, 1180000, 1401250, 2242000, 2802500, 4484000, 5605000, 11210000, 22420000]

約数ペア:

[(1, 22420000), (2, 11210000), (4, 5605000), (5, 4484000), (8, 2802500), (10, 2242000), (16, 1401250), (19, 1180000), (20, 1121000), (25, 896800), (32, 700625), (38, 590000), (40, 560500), (50, 448400), (59, 380000), (76, 295000), (80, 280250), (95, 236000), (100, 224200), (118, 190000), (125, 179360), (152, 147500), (160, 140125), (190, 118000), (200, 112100), (236, 95000), (250, 89680), (295, 76000), (304, 73750), (380, 59000), (400, 56050), (472, 47500), (475, 47200), (500, 44840), (590, 38000), (608, 36875), (625, 35872), (760, 29500), (800, 28025), (944, 23750), (950, 23600), (1000, 22420), (1121, 20000), (1180, 19000), (1250, 17936), (1475, 15200), (1520, 14750), (1888, 11875), (1900, 11800), (2000, 11210), (2242, 10000), (2360, 9500), (2375, 9440), (2500, 8968), (2950, 7600), (3040, 7375), (3800, 5900), (4000, 5605), (4484, 5000), (4720, 4750)]