388177360

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{659}}^1$

素因数の和:908

約数の個数: 80

約数和(自身を含む): 932976000

約数和(自身を除く): 544798640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 199, 296, 370, 398, 592, 659, 740, 796, 995, 1318, 1480, 1592, 1990, 2636, 2960, 3184, 3295, 3980, 5272, 6590, 7363, 7960, 10544, 13180, 14726, 15920, 24383, 26360, 29452, 36815, 48766, 52720, 58904, 73630, 97532, 117808, 121915, 131141, 147260, 195064, 243830, 262282, 294520, 390128, 487660, 524564, 589040, 655705, 975320, 1049128, 1311410, 1950640, 2098256, 2622820, 4852217, 5245640, 9704434, 10491280, 19408868, 24261085, 38817736, 48522170, 77635472, 97044340, 194088680, 388177360]

約数ペア:

[(1, 388177360), (2, 194088680), (4, 97044340), (5, 77635472), (8, 48522170), (10, 38817736), (16, 24261085), (20, 19408868), (37, 10491280), (40, 9704434), (74, 5245640), (80, 4852217), (148, 2622820), (185, 2098256), (199, 1950640), (296, 1311410), (370, 1049128), (398, 975320), (592, 655705), (659, 589040), (740, 524564), (796, 487660), (995, 390128), (1318, 294520), (1480, 262282), (1592, 243830), (1990, 195064), (2636, 147260), (2960, 131141), (3184, 121915), (3295, 117808), (3980, 97532), (5272, 73630), (6590, 58904), (7363, 52720), (7960, 48766), (10544, 36815), (13180, 29452), (14726, 26360), (15920, 24383)]