2788480370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1\times {\mathrm{823}}^1$

素因数の和:1299

約数の個数: 64

約数和(自身を含む): 5506824960

約数和(自身を除く): 2718344590

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 389, 670, 778, 823, 871, 1646, 1742, 1945, 3890, 4115, 4355, 5057, 8230, 8710, 10114, 10699, 21398, 25285, 26063, 50570, 52126, 53495, 55141, 106990, 110282, 130315, 260630, 275705, 320147, 338819, 551410, 640294, 677638, 716833, 1433666, 1600735, 1694095, 3201470, 3388190, 3584165, 4161911, 7168330, 8323822, 20809555, 21449849, 41619110, 42899698, 107249245, 214498490, 278848037, 557696074, 1394240185, 2788480370]

約数ペア:

[(1, 2788480370), (2, 1394240185), (5, 557696074), (10, 278848037), (13, 214498490), (26, 107249245), (65, 42899698), (67, 41619110), (130, 21449849), (134, 20809555), (335, 8323822), (389, 7168330), (670, 4161911), (778, 3584165), (823, 3388190), (871, 3201470), (1646, 1694095), (1742, 1600735), (1945, 1433666), (3890, 716833), (4115, 677638), (4355, 640294), (5057, 551410), (8230, 338819), (8710, 320147), (10114, 275705), (10699, 260630), (21398, 130315), (25285, 110282), (26063, 106990), (50570, 55141), (52126, 53495)]