258254010

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{373}}^1$

素因数の和:557

約数の個数: 144

約数和(自身を含む): 788169096

約数和(自身を除く): 529915086

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 157, 210, 245, 294, 314, 315, 373, 441, 471, 490, 630, 735, 746, 785, 882, 942, 1099, 1119, 1413, 1470, 1570, 1865, 2198, 2205, 2238, 2355, 2611, 2826, 3297, 3357, 3730, 4410, 4710, 5222, 5495, 5595, 6594, 6714, 7065, 7693, 7833, 9891, 10990, 11190, 13055, 14130, 15386, 15666, 16485, 16785, 18277, 19782, 23079, 23499, 26110, 32970, 33570, 36554, 38465, 39165, 46158, 46998, 49455, 54831, 58561, 69237, 76930, 78330, 91385, 98910, 109662, 115395, 117122, 117495, 138474, 164493, 175683, 182770, 230790, 234990, 274155, 292805, 328986, 346185, 351366, 409927, 527049, 548310, 585610, 692370, 819854, 822465, 878415, 1054098, 1229781, 1644930, 1756830, 2049635, 2459562, 2635245, 2869489, 3689343, 4099270, 5270490, 5738978, 6148905, 7378686, 8608467, 12297810, 14347445, 17216934, 18446715, 25825401, 28694890, 36893430, 43042335, 51650802, 86084670, 129127005, 258254010]

約数ペア:

[(1, 258254010), (2, 129127005), (3, 86084670), (5, 51650802), (6, 43042335), (7, 36893430), (9, 28694890), (10, 25825401), (14, 18446715), (15, 17216934), (18, 14347445), (21, 12297810), (30, 8608467), (35, 7378686), (42, 6148905), (45, 5738978), (49, 5270490), (63, 4099270), (70, 3689343), (90, 2869489), (98, 2635245), (105, 2459562), (126, 2049635), (147, 1756830), (157, 1644930), (210, 1229781), (245, 1054098), (294, 878415), (314, 822465), (315, 819854), (373, 692370), (441, 585610), (471, 548310), (490, 527049), (630, 409927), (735, 351366), (746, 346185), (785, 328986), (882, 292805), (942, 274155), (1099, 234990), (1119, 230790), (1413, 182770), (1470, 175683), (1570, 164493), (1865, 138474), (2198, 117495), (2205, 117122), (2238, 115395), (2355, 109662), (2611, 98910), (2826, 91385), (3297, 78330), (3357, 76930), (3730, 69237), (4410, 58561), (4710, 54831), (5222, 49455), (5495, 46998), (5595, 46158), (6594, 39165), (6714, 38465), (7065, 36554), (7693, 33570), (7833, 32970), (9891, 26110), (10990, 23499), (11190, 23079), (13055, 19782), (14130, 18277), (15386, 16785), (15666, 16485)]