28023100

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 144

約数和(自身を含む): 76384000

約数和(自身を除く): 48360900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 43, 49, 50, 70, 76, 86, 95, 98, 100, 133, 140, 172, 175, 190, 196, 215, 245, 266, 301, 343, 350, 380, 430, 475, 490, 532, 602, 665, 686, 700, 817, 860, 931, 950, 980, 1075, 1204, 1225, 1330, 1372, 1505, 1634, 1715, 1862, 1900, 2107, 2150, 2450, 2660, 3010, 3268, 3325, 3430, 3724, 4085, 4214, 4300, 4655, 4900, 5719, 6020, 6517, 6650, 6860, 7525, 8170, 8428, 8575, 9310, 10535, 11438, 13034, 13300, 14749, 15050, 16340, 17150, 18620, 20425, 21070, 22876, 23275, 26068, 28595, 29498, 30100, 32585, 34300, 40033, 40850, 42140, 46550, 52675, 57190, 58996, 65170, 73745, 80066, 81700, 93100, 105350, 114380, 130340, 142975, 147490, 160132, 162925, 200165, 210700, 280231, 285950, 294980, 325850, 368725, 400330, 560462, 571900, 651700, 737450, 800660, 1000825, 1120924, 1401155, 1474900, 2001650, 2802310, 4003300, 5604620, 7005775, 14011550, 28023100]

約数ペア:

[(1, 28023100), (2, 14011550), (4, 7005775), (5, 5604620), (7, 4003300), (10, 2802310), (14, 2001650), (19, 1474900), (20, 1401155), (25, 1120924), (28, 1000825), (35, 800660), (38, 737450), (43, 651700), (49, 571900), (50, 560462), (70, 400330), (76, 368725), (86, 325850), (95, 294980), (98, 285950), (100, 280231), (133, 210700), (140, 200165), (172, 162925), (175, 160132), (190, 147490), (196, 142975), (215, 130340), (245, 114380), (266, 105350), (301, 93100), (343, 81700), (350, 80066), (380, 73745), (430, 65170), (475, 58996), (490, 57190), (532, 52675), (602, 46550), (665, 42140), (686, 40850), (700, 40033), (817, 34300), (860, 32585), (931, 30100), (950, 29498), (980, 28595), (1075, 26068), (1204, 23275), (1225, 22876), (1330, 21070), (1372, 20425), (1505, 18620), (1634, 17150), (1715, 16340), (1862, 15050), (1900, 14749), (2107, 13300), (2150, 13034), (2450, 11438), (2660, 10535), (3010, 9310), (3268, 8575), (3325, 8428), (3430, 8170), (3724, 7525), (4085, 6860), (4214, 6650), (4300, 6517), (4655, 6020), (4900, 5719)]