49793240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1091}}^1$

素因数の和:1272

約数の個数: 64

約数和(自身を含む): 128943360

約数和(自身を除く): 79150120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1091, 1141, 1304, 1630, 2182, 2282, 3260, 4364, 4564, 5455, 5705, 6520, 7637, 8728, 9128, 10910, 11410, 15274, 21820, 22820, 30548, 38185, 43640, 45640, 61096, 76370, 152740, 177833, 305480, 355666, 711332, 889165, 1244831, 1422664, 1778330, 2489662, 3556660, 4979324, 6224155, 7113320, 9958648, 12448310, 24896620, 49793240]

約数ペア:

[(1, 49793240), (2, 24896620), (4, 12448310), (5, 9958648), (7, 7113320), (8, 6224155), (10, 4979324), (14, 3556660), (20, 2489662), (28, 1778330), (35, 1422664), (40, 1244831), (56, 889165), (70, 711332), (140, 355666), (163, 305480), (280, 177833), (326, 152740), (652, 76370), (815, 61096), (1091, 45640), (1141, 43640), (1304, 38185), (1630, 30548), (2182, 22820), (2282, 21820), (3260, 15274), (4364, 11410), (4564, 10910), (5455, 9128), (5705, 8728), (6520, 7637)]