38748220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2081}}^1$

素因数の和:2123

約数の個数: 72

約数和(自身を含む): 99686160

約数和(自身を除く): 60937940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2081, 2660, 3724, 4162, 4655, 8324, 9310, 10405, 14567, 18620, 20810, 29134, 39539, 41620, 58268, 72835, 79078, 101969, 145670, 158156, 197695, 203938, 276773, 291340, 395390, 407876, 509845, 553546, 790780, 1019690, 1107092, 1383865, 1937411, 2039380, 2767730, 3874822, 5535460, 7749644, 9687055, 19374110, 38748220]

約数ペア:

[(1, 38748220), (2, 19374110), (4, 9687055), (5, 7749644), (7, 5535460), (10, 3874822), (14, 2767730), (19, 2039380), (20, 1937411), (28, 1383865), (35, 1107092), (38, 1019690), (49, 790780), (70, 553546), (76, 509845), (95, 407876), (98, 395390), (133, 291340), (140, 276773), (190, 203938), (196, 197695), (245, 158156), (266, 145670), (380, 101969), (490, 79078), (532, 72835), (665, 58268), (931, 41620), (980, 39539), (1330, 29134), (1862, 20810), (2081, 18620), (2660, 14567), (3724, 10405), (4162, 9310), (4655, 8324)]