238341640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 591390720

約数和(自身を除く): 353049080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 61, 62, 92, 115, 122, 124, 137, 155, 184, 230, 244, 248, 274, 305, 310, 460, 488, 548, 610, 620, 685, 713, 920, 1096, 1220, 1240, 1370, 1403, 1426, 1891, 2440, 2740, 2806, 2852, 3151, 3565, 3782, 4247, 5480, 5612, 5704, 6302, 7015, 7130, 7564, 8357, 8494, 9455, 11224, 12604, 14030, 14260, 15128, 15755, 16714, 16988, 18910, 21235, 25208, 28060, 28520, 31510, 33428, 33976, 37820, 41785, 42470, 43493, 56120, 63020, 66856, 75640, 83570, 84940, 86986, 97681, 126040, 167140, 169880, 173972, 192211, 195362, 217465, 259067, 334280, 347944, 384422, 390724, 434930, 488405, 518134, 768844, 781448, 869860, 961055, 976810, 1036268, 1295335, 1537688, 1739720, 1922110, 1953620, 2072536, 2590670, 3844220, 3907240, 5181340, 5958541, 7688440, 10362680, 11917082, 23834164, 29792705, 47668328, 59585410, 119170820, 238341640]

約数ペア:

[(1, 238341640), (2, 119170820), (4, 59585410), (5, 47668328), (8, 29792705), (10, 23834164), (20, 11917082), (23, 10362680), (31, 7688440), (40, 5958541), (46, 5181340), (61, 3907240), (62, 3844220), (92, 2590670), (115, 2072536), (122, 1953620), (124, 1922110), (137, 1739720), (155, 1537688), (184, 1295335), (230, 1036268), (244, 976810), (248, 961055), (274, 869860), (305, 781448), (310, 768844), (460, 518134), (488, 488405), (548, 434930), (610, 390724), (620, 384422), (685, 347944), (713, 334280), (920, 259067), (1096, 217465), (1220, 195362), (1240, 192211), (1370, 173972), (1403, 169880), (1426, 167140), (1891, 126040), (2440, 97681), (2740, 86986), (2806, 84940), (2852, 83570), (3151, 75640), (3565, 66856), (3782, 63020), (4247, 56120), (5480, 43493), (5612, 42470), (5704, 41785), (6302, 37820), (7015, 33976), (7130, 33428), (7564, 31510), (8357, 28520), (8494, 28060), (9455, 25208), (11224, 21235), (12604, 18910), (14030, 16988), (14260, 16714), (15128, 15755)]