28101400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 70308000

約数和(自身を除く): 42206600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 41, 46, 50, 82, 92, 100, 115, 149, 164, 184, 200, 205, 230, 298, 328, 410, 460, 575, 596, 745, 820, 920, 943, 1025, 1150, 1192, 1490, 1640, 1886, 2050, 2300, 2980, 3427, 3725, 3772, 4100, 4600, 4715, 5960, 6109, 6854, 7450, 7544, 8200, 9430, 12218, 13708, 14900, 17135, 18860, 23575, 24436, 27416, 29800, 30545, 34270, 37720, 47150, 48872, 61090, 68540, 85675, 94300, 122180, 137080, 140507, 152725, 171350, 188600, 244360, 281014, 305450, 342700, 562028, 610900, 685400, 702535, 1124056, 1221800, 1405070, 2810140, 3512675, 5620280, 7025350, 14050700, 28101400]

約数ペア:

[(1, 28101400), (2, 14050700), (4, 7025350), (5, 5620280), (8, 3512675), (10, 2810140), (20, 1405070), (23, 1221800), (25, 1124056), (40, 702535), (41, 685400), (46, 610900), (50, 562028), (82, 342700), (92, 305450), (100, 281014), (115, 244360), (149, 188600), (164, 171350), (184, 152725), (200, 140507), (205, 137080), (230, 122180), (298, 94300), (328, 85675), (410, 68540), (460, 61090), (575, 48872), (596, 47150), (745, 37720), (820, 34270), (920, 30545), (943, 29800), (1025, 27416), (1150, 24436), (1192, 23575), (1490, 18860), (1640, 17135), (1886, 14900), (2050, 13708), (2300, 12218), (2980, 9430), (3427, 8200), (3725, 7544), (3772, 7450), (4100, 6854), (4600, 6109), (4715, 5960)]