338927320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 839160000

約数和(自身を除く): 500232680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 73, 76, 82, 95, 146, 149, 152, 164, 190, 205, 292, 298, 328, 365, 380, 410, 584, 596, 730, 745, 760, 779, 820, 1192, 1387, 1460, 1490, 1558, 1640, 2774, 2831, 2920, 2980, 2993, 3116, 3895, 5548, 5662, 5960, 5986, 6109, 6232, 6935, 7790, 10877, 11096, 11324, 11972, 12218, 13870, 14155, 14965, 15580, 21754, 22648, 23944, 24436, 27740, 28310, 29930, 30545, 31160, 43508, 48872, 54385, 55480, 56620, 56867, 59860, 61090, 87016, 108770, 113240, 113734, 116071, 119720, 122180, 206663, 217540, 227468, 232142, 244360, 284335, 413326, 435080, 445957, 454936, 464284, 568670, 580355, 826652, 891914, 928568, 1033315, 1137340, 1160710, 1653304, 1783828, 2066630, 2229785, 2274680, 2321420, 3567656, 4133260, 4459570, 4642840, 8266520, 8473183, 8919140, 16946366, 17838280, 33892732, 42365915, 67785464, 84731830, 169463660, 338927320]

約数ペア:

[(1, 338927320), (2, 169463660), (4, 84731830), (5, 67785464), (8, 42365915), (10, 33892732), (19, 17838280), (20, 16946366), (38, 8919140), (40, 8473183), (41, 8266520), (73, 4642840), (76, 4459570), (82, 4133260), (95, 3567656), (146, 2321420), (149, 2274680), (152, 2229785), (164, 2066630), (190, 1783828), (205, 1653304), (292, 1160710), (298, 1137340), (328, 1033315), (365, 928568), (380, 891914), (410, 826652), (584, 580355), (596, 568670), (730, 464284), (745, 454936), (760, 445957), (779, 435080), (820, 413326), (1192, 284335), (1387, 244360), (1460, 232142), (1490, 227468), (1558, 217540), (1640, 206663), (2774, 122180), (2831, 119720), (2920, 116071), (2980, 113734), (2993, 113240), (3116, 108770), (3895, 87016), (5548, 61090), (5662, 59860), (5960, 56867), (5986, 56620), (6109, 55480), (6232, 54385), (6935, 48872), (7790, 43508), (10877, 31160), (11096, 30545), (11324, 29930), (11972, 28310), (12218, 27740), (13870, 24436), (14155, 23944), (14965, 22648), (15580, 21754)]