221567105125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:576

約数の個数: 128

約数和(自身を含む): 307879723008

約数和(自身を除く): 86312617883

約数列:

[1, 5, 17, 25, 43, 61, 85, 125, 127, 215, 305, 313, 425, 635, 731, 1037, 1075, 1525, 1565, 2125, 2159, 2623, 3175, 3655, 5185, 5321, 5375, 5461, 7625, 7747, 7825, 10795, 13115, 13459, 15875, 18275, 19093, 25925, 26605, 27305, 38735, 39125, 39751, 44591, 53975, 65575, 67295, 91375, 92837, 95465, 129625, 131699, 133025, 136525, 193675, 198755, 222955, 228803, 269875, 324581, 327875, 333121, 336475, 464185, 477325, 658495, 665125, 675767, 682625, 820999, 968375, 993775, 1114775, 1144015, 1622905, 1665605, 1682375, 1709293, 2320925, 2386625, 2424811, 3292475, 3378835, 4104995, 4968875, 5573875, 5663057, 5720075, 8114525, 8328025, 8546465, 11604625, 12124055, 13956983, 16462375, 16894175, 20524975, 28315285, 28600375, 29057981, 40572625, 41221787, 41640125, 42732325, 60620275, 69784915, 84470875, 102624875, 104266873, 141576425, 145289905, 206108935, 213661625, 303101375, 348924575, 521334365, 707882125, 726449525, 1030544675, 1744622875, 1772536841, 2606671825, 3632247625, 5152723375, 8862684205, 13033359125, 44313421025, 221567105125]

約数ペア:

[(1, 221567105125), (5, 44313421025), (17, 13033359125), (25, 8862684205), (43, 5152723375), (61, 3632247625), (85, 2606671825), (125, 1772536841), (127, 1744622875), (215, 1030544675), (305, 726449525), (313, 707882125), (425, 521334365), (635, 348924575), (731, 303101375), (1037, 213661625), (1075, 206108935), (1525, 145289905), (1565, 141576425), (2125, 104266873), (2159, 102624875), (2623, 84470875), (3175, 69784915), (3655, 60620275), (5185, 42732325), (5321, 41640125), (5375, 41221787), (5461, 40572625), (7625, 29057981), (7747, 28600375), (7825, 28315285), (10795, 20524975), (13115, 16894175), (13459, 16462375), (15875, 13956983), (18275, 12124055), (19093, 11604625), (25925, 8546465), (26605, 8328025), (27305, 8114525), (38735, 5720075), (39125, 5663057), (39751, 5573875), (44591, 4968875), (53975, 4104995), (65575, 3378835), (67295, 3292475), (91375, 2424811), (92837, 2386625), (95465, 2320925), (129625, 1709293), (131699, 1682375), (133025, 1665605), (136525, 1622905), (193675, 1144015), (198755, 1114775), (222955, 993775), (228803, 968375), (269875, 820999), (324581, 682625), (327875, 675767), (333121, 665125), (336475, 658495), (464185, 477325)]