259229750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 546515424

約数和(自身を除く): 287285674

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 83, 125, 130, 155, 166, 250, 310, 325, 403, 415, 650, 775, 806, 830, 961, 1079, 1550, 1625, 1922, 2015, 2075, 2158, 2573, 3250, 3875, 4030, 4150, 4805, 5146, 5395, 7750, 9610, 10075, 10375, 10790, 12493, 12865, 20150, 20750, 24025, 24986, 25730, 26975, 33449, 48050, 50375, 53950, 62465, 64325, 66898, 79763, 100750, 120125, 124930, 128650, 134875, 159526, 167245, 240250, 269750, 312325, 321625, 334490, 398815, 624650, 643250, 797630, 836225, 1036919, 1561625, 1672450, 1994075, 2073838, 3123250, 3988150, 4181125, 5184595, 8362250, 9970375, 10369190, 19940750, 25922975, 51845950, 129614875, 259229750]

約数ペア:

[(1, 259229750), (2, 129614875), (5, 51845950), (10, 25922975), (13, 19940750), (25, 10369190), (26, 9970375), (31, 8362250), (50, 5184595), (62, 4181125), (65, 3988150), (83, 3123250), (125, 2073838), (130, 1994075), (155, 1672450), (166, 1561625), (250, 1036919), (310, 836225), (325, 797630), (403, 643250), (415, 624650), (650, 398815), (775, 334490), (806, 321625), (830, 312325), (961, 269750), (1079, 240250), (1550, 167245), (1625, 159526), (1922, 134875), (2015, 128650), (2075, 124930), (2158, 120125), (2573, 100750), (3250, 79763), (3875, 66898), (4030, 64325), (4150, 62465), (4805, 53950), (5146, 50375), (5395, 48050), (7750, 33449), (9610, 26975), (10075, 25730), (10375, 24986), (10790, 24025), (12493, 20750), (12865, 20150)]