91408520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 241623000

約数和(自身を除く): 150214480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 149, 196, 245, 280, 298, 313, 392, 490, 596, 626, 745, 980, 1043, 1192, 1252, 1490, 1565, 1960, 2086, 2191, 2504, 2980, 3130, 4172, 4382, 5215, 5960, 6260, 7301, 8344, 8764, 10430, 10955, 12520, 14602, 15337, 17528, 20860, 21910, 29204, 30674, 36505, 41720, 43820, 46637, 58408, 61348, 73010, 76685, 87640, 93274, 122696, 146020, 153370, 186548, 233185, 292040, 306740, 326459, 373096, 466370, 613480, 652918, 932740, 1305836, 1632295, 1865480, 2285213, 2611672, 3264590, 4570426, 6529180, 9140852, 11426065, 13058360, 18281704, 22852130, 45704260, 91408520]

約数ペア:

[(1, 91408520), (2, 45704260), (4, 22852130), (5, 18281704), (7, 13058360), (8, 11426065), (10, 9140852), (14, 6529180), (20, 4570426), (28, 3264590), (35, 2611672), (40, 2285213), (49, 1865480), (56, 1632295), (70, 1305836), (98, 932740), (140, 652918), (149, 613480), (196, 466370), (245, 373096), (280, 326459), (298, 306740), (313, 292040), (392, 233185), (490, 186548), (596, 153370), (626, 146020), (745, 122696), (980, 93274), (1043, 87640), (1192, 76685), (1252, 73010), (1490, 61348), (1565, 58408), (1960, 46637), (2086, 43820), (2191, 41720), (2504, 36505), (2980, 30674), (3130, 29204), (4172, 21910), (4382, 20860), (5215, 17528), (5960, 15337), (6260, 14602), (7301, 12520), (8344, 10955), (8764, 10430)]