28726860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 85800960

約数和(自身を除く): 57074100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 113, 114, 190, 223, 226, 228, 285, 339, 380, 446, 452, 565, 570, 669, 678, 892, 1115, 1130, 1140, 1338, 1356, 1695, 2147, 2230, 2260, 2676, 3345, 3390, 4237, 4294, 4460, 6441, 6690, 6780, 8474, 8588, 10735, 12711, 12882, 13380, 16948, 21185, 21470, 25199, 25422, 25764, 32205, 42370, 42940, 50398, 50844, 63555, 64410, 75597, 84740, 100796, 125995, 127110, 128820, 151194, 251990, 254220, 302388, 377985, 478781, 503980, 755970, 957562, 1436343, 1511940, 1915124, 2393905, 2872686, 4787810, 5745372, 7181715, 9575620, 14363430, 28726860]

約数ペア:

[(1, 28726860), (2, 14363430), (3, 9575620), (4, 7181715), (5, 5745372), (6, 4787810), (10, 2872686), (12, 2393905), (15, 1915124), (19, 1511940), (20, 1436343), (30, 957562), (38, 755970), (57, 503980), (60, 478781), (76, 377985), (95, 302388), (113, 254220), (114, 251990), (190, 151194), (223, 128820), (226, 127110), (228, 125995), (285, 100796), (339, 84740), (380, 75597), (446, 64410), (452, 63555), (565, 50844), (570, 50398), (669, 42940), (678, 42370), (892, 32205), (1115, 25764), (1130, 25422), (1140, 25199), (1338, 21470), (1356, 21185), (1695, 16948), (2147, 13380), (2230, 12882), (2260, 12711), (2676, 10735), (3345, 8588), (3390, 8474), (4237, 6780), (4294, 6690), (4460, 6441)]