171291250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 80

約数和(自身を含む): 352687104

約数和(自身を除く): 181395854

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 83, 125, 127, 130, 166, 250, 254, 325, 415, 625, 635, 650, 830, 1079, 1250, 1270, 1625, 1651, 2075, 2158, 3175, 3250, 3302, 4150, 5395, 6350, 8125, 8255, 10375, 10541, 10790, 15875, 16250, 16510, 20750, 21082, 26975, 31750, 41275, 51875, 52705, 53950, 79375, 82550, 103750, 105410, 134875, 137033, 158750, 206375, 263525, 269750, 274066, 412750, 527050, 674375, 685165, 1031875, 1317625, 1348750, 1370330, 2063750, 2635250, 3425825, 6588125, 6851650, 13176250, 17129125, 34258250, 85645625, 171291250]

約数ペア:

[(1, 171291250), (2, 85645625), (5, 34258250), (10, 17129125), (13, 13176250), (25, 6851650), (26, 6588125), (50, 3425825), (65, 2635250), (83, 2063750), (125, 1370330), (127, 1348750), (130, 1317625), (166, 1031875), (250, 685165), (254, 674375), (325, 527050), (415, 412750), (625, 274066), (635, 269750), (650, 263525), (830, 206375), (1079, 158750), (1250, 137033), (1270, 134875), (1625, 105410), (1651, 103750), (2075, 82550), (2158, 79375), (3175, 53950), (3250, 52705), (3302, 51875), (4150, 41275), (5395, 31750), (6350, 26975), (8125, 21082), (8255, 20750), (10375, 16510), (10541, 16250), (10790, 15875)]