7788201820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{317}}^1\times {\mathrm{1553}}^1$

素因数の和:1999

約数の個数: 96

約数和(自身を含む): 18928764288

約数和(自身を除く): 11140562468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 317, 452, 565, 634, 791, 1130, 1268, 1553, 1582, 1585, 2219, 2260, 3106, 3164, 3170, 3955, 4438, 6212, 6340, 7765, 7910, 8876, 10871, 11095, 15530, 15820, 21742, 22190, 31060, 35821, 43484, 44380, 54355, 71642, 108710, 143284, 175489, 179105, 217420, 250747, 350978, 358210, 492301, 501494, 701956, 716420, 877445, 984602, 1002988, 1228423, 1253735, 1754890, 1969204, 2456846, 2461505, 2507470, 3446107, 3509780, 4913692, 4923010, 5014940, 6142115, 6892214, 9846020, 12284230, 13784428, 17230535, 24568460, 34461070, 55630013, 68922140, 111260026, 222520052, 278150065, 389410091, 556300130, 778820182, 1112600260, 1557640364, 1947050455, 3894100910, 7788201820]

約数ペア:

[(1, 7788201820), (2, 3894100910), (4, 1947050455), (5, 1557640364), (7, 1112600260), (10, 778820182), (14, 556300130), (20, 389410091), (28, 278150065), (35, 222520052), (70, 111260026), (113, 68922140), (140, 55630013), (226, 34461070), (317, 24568460), (452, 17230535), (565, 13784428), (634, 12284230), (791, 9846020), (1130, 6892214), (1268, 6142115), (1553, 5014940), (1582, 4923010), (1585, 4913692), (2219, 3509780), (2260, 3446107), (3106, 2507470), (3164, 2461505), (3170, 2456846), (3955, 1969204), (4438, 1754890), (6212, 1253735), (6340, 1228423), (7765, 1002988), (7910, 984602), (8876, 877445), (10871, 716420), (11095, 701956), (15530, 501494), (15820, 492301), (21742, 358210), (22190, 350978), (31060, 250747), (35821, 217420), (43484, 179105), (44380, 175489), (54355, 143284), (71642, 108710)]