238508748

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2221}}^1$

素因数の和:2407

約数の個数: 72

約数和(自身を含む): 638958320

約数和(自身を除く): 400449572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 157, 171, 228, 314, 342, 471, 628, 684, 942, 1413, 1884, 2221, 2826, 2983, 4442, 5652, 5966, 6663, 8884, 8949, 11932, 13326, 17898, 19989, 26652, 26847, 35796, 39978, 42199, 53694, 79956, 84398, 107388, 126597, 168796, 253194, 348697, 379791, 506388, 697394, 759582, 1046091, 1394788, 1519164, 2092182, 3138273, 4184364, 6276546, 6625243, 12553092, 13250486, 19875729, 26500972, 39751458, 59627187, 79502916, 119254374, 238508748]

約数ペア:

[(1, 238508748), (2, 119254374), (3, 79502916), (4, 59627187), (6, 39751458), (9, 26500972), (12, 19875729), (18, 13250486), (19, 12553092), (36, 6625243), (38, 6276546), (57, 4184364), (76, 3138273), (114, 2092182), (157, 1519164), (171, 1394788), (228, 1046091), (314, 759582), (342, 697394), (471, 506388), (628, 379791), (684, 348697), (942, 253194), (1413, 168796), (1884, 126597), (2221, 107388), (2826, 84398), (2983, 79956), (4442, 53694), (5652, 42199), (5966, 39978), (6663, 35796), (8884, 26847), (8949, 26652), (11932, 19989), (13326, 17898)]