394331320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1327}}^1$

素因数の和:1397

約数の個数: 128

約数和(自身を含む): 1032652800

約数和(自身を除く): 638321480

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 23, 34, 38, 40, 46, 68, 76, 85, 92, 95, 115, 136, 152, 170, 184, 190, 230, 323, 340, 380, 391, 437, 460, 646, 680, 760, 782, 874, 920, 1292, 1327, 1564, 1615, 1748, 1955, 2185, 2584, 2654, 3128, 3230, 3496, 3910, 4370, 5308, 6460, 6635, 7429, 7820, 8740, 10616, 12920, 13270, 14858, 15640, 17480, 22559, 25213, 26540, 29716, 30521, 37145, 45118, 50426, 53080, 59432, 61042, 74290, 90236, 100852, 112795, 122084, 126065, 148580, 152605, 180472, 201704, 225590, 244168, 252130, 297160, 305210, 428621, 451180, 504260, 518857, 579899, 610420, 857242, 902360, 1008520, 1037714, 1159798, 1220840, 1714484, 2075428, 2143105, 2319596, 2594285, 2899495, 3428968, 4150856, 4286210, 4639192, 5188570, 5798990, 8572420, 9858283, 10377140, 11597980, 17144840, 19716566, 20754280, 23195960, 39433132, 49291415, 78866264, 98582830, 197165660, 394331320]

約数ペア:

[(1, 394331320), (2, 197165660), (4, 98582830), (5, 78866264), (8, 49291415), (10, 39433132), (17, 23195960), (19, 20754280), (20, 19716566), (23, 17144840), (34, 11597980), (38, 10377140), (40, 9858283), (46, 8572420), (68, 5798990), (76, 5188570), (85, 4639192), (92, 4286210), (95, 4150856), (115, 3428968), (136, 2899495), (152, 2594285), (170, 2319596), (184, 2143105), (190, 2075428), (230, 1714484), (323, 1220840), (340, 1159798), (380, 1037714), (391, 1008520), (437, 902360), (460, 857242), (646, 610420), (680, 579899), (760, 518857), (782, 504260), (874, 451180), (920, 428621), (1292, 305210), (1327, 297160), (1564, 252130), (1615, 244168), (1748, 225590), (1955, 201704), (2185, 180472), (2584, 152605), (2654, 148580), (3128, 126065), (3230, 122084), (3496, 112795), (3910, 100852), (4370, 90236), (5308, 74290), (6460, 61042), (6635, 59432), (7429, 53080), (7820, 50426), (8740, 45118), (10616, 37145), (12920, 30521), (13270, 29716), (14858, 26540), (15640, 25213), (17480, 22559)]