313635140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{443}}^1$

素因数の和:861

約数の個数: 96

約数和(自身を含む): 814544640

約数和(自身を除く): 500909500

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 389, 443, 455, 778, 886, 910, 1556, 1772, 1820, 1945, 2215, 2723, 3101, 3890, 4430, 5057, 5446, 5759, 6202, 7780, 8860, 10114, 10892, 11518, 12404, 13615, 15505, 20228, 23036, 25285, 27230, 28795, 31010, 35399, 40313, 50570, 54460, 57590, 62020, 70798, 80626, 101140, 115180, 141596, 161252, 172327, 176995, 201565, 344654, 353990, 403130, 689308, 707980, 806260, 861635, 1206289, 1723270, 2240251, 2412578, 3446540, 4480502, 4825156, 6031445, 8961004, 11201255, 12062890, 15681757, 22402510, 24125780, 31363514, 44805020, 62727028, 78408785, 156817570, 313635140]

約数ペア:

[(1, 313635140), (2, 156817570), (4, 78408785), (5, 62727028), (7, 44805020), (10, 31363514), (13, 24125780), (14, 22402510), (20, 15681757), (26, 12062890), (28, 11201255), (35, 8961004), (52, 6031445), (65, 4825156), (70, 4480502), (91, 3446540), (130, 2412578), (140, 2240251), (182, 1723270), (260, 1206289), (364, 861635), (389, 806260), (443, 707980), (455, 689308), (778, 403130), (886, 353990), (910, 344654), (1556, 201565), (1772, 176995), (1820, 172327), (1945, 161252), (2215, 141596), (2723, 115180), (3101, 101140), (3890, 80626), (4430, 70798), (5057, 62020), (5446, 57590), (5759, 54460), (6202, 50570), (7780, 40313), (8860, 35399), (10114, 31010), (10892, 28795), (11518, 27230), (12404, 25285), (13615, 23036), (15505, 20228)]