29986940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 71608320

約数和(自身を除く): 41621380

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 47, 73, 76, 92, 94, 95, 115, 146, 188, 190, 230, 235, 292, 365, 380, 437, 460, 470, 730, 874, 893, 940, 1081, 1387, 1460, 1679, 1748, 1786, 2162, 2185, 2774, 3358, 3431, 3572, 4324, 4370, 4465, 5405, 5548, 6716, 6862, 6935, 8395, 8740, 8930, 10810, 13724, 13870, 16790, 17155, 17860, 20539, 21620, 27740, 31901, 33580, 34310, 41078, 63802, 65189, 68620, 78913, 82156, 102695, 127604, 130378, 157826, 159505, 205390, 260756, 315652, 319010, 325945, 394565, 410780, 638020, 651890, 789130, 1303780, 1499347, 1578260, 2998694, 5997388, 7496735, 14993470, 29986940]

約数ペア:

[(1, 29986940), (2, 14993470), (4, 7496735), (5, 5997388), (10, 2998694), (19, 1578260), (20, 1499347), (23, 1303780), (38, 789130), (46, 651890), (47, 638020), (73, 410780), (76, 394565), (92, 325945), (94, 319010), (95, 315652), (115, 260756), (146, 205390), (188, 159505), (190, 157826), (230, 130378), (235, 127604), (292, 102695), (365, 82156), (380, 78913), (437, 68620), (460, 65189), (470, 63802), (730, 41078), (874, 34310), (893, 33580), (940, 31901), (1081, 27740), (1387, 21620), (1460, 20539), (1679, 17860), (1748, 17155), (1786, 16790), (2162, 13870), (2185, 13724), (2774, 10810), (3358, 8930), (3431, 8740), (3572, 8395), (4324, 6935), (4370, 6862), (4465, 6716), (5405, 5548)]