20174941000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{13441}}^1$

素因数の和:13560

約数の個数: 128

約数和(自身を含む): 50326848000

約数和(自身を除く): 30151907000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 79, 95, 100, 125, 152, 158, 190, 200, 250, 316, 380, 395, 475, 500, 632, 760, 790, 950, 1000, 1501, 1580, 1900, 1975, 2375, 3002, 3160, 3800, 3950, 4750, 6004, 7505, 7900, 9500, 9875, 12008, 13441, 15010, 15800, 19000, 19750, 26882, 30020, 37525, 39500, 53764, 60040, 67205, 75050, 79000, 107528, 134410, 150100, 187625, 255379, 268820, 300200, 336025, 375250, 510758, 537640, 672050, 750500, 1021516, 1061839, 1276895, 1344100, 1501000, 1680125, 2043032, 2123678, 2553790, 2688200, 3360250, 4247356, 5107580, 5309195, 6384475, 6720500, 8494712, 10215160, 10618390, 12768950, 13441000, 20174941, 21236780, 25537900, 26545975, 31922375, 40349882, 42473560, 51075800, 53091950, 63844750, 80699764, 100874705, 106183900, 127689500, 132729875, 161399528, 201749410, 212367800, 255379000, 265459750, 403498820, 504373525, 530919500, 806997640, 1008747050, 1061839000, 2017494100, 2521867625, 4034988200, 5043735250, 10087470500, 20174941000]

約数ペア:

[(1, 20174941000), (2, 10087470500), (4, 5043735250), (5, 4034988200), (8, 2521867625), (10, 2017494100), (19, 1061839000), (20, 1008747050), (25, 806997640), (38, 530919500), (40, 504373525), (50, 403498820), (76, 265459750), (79, 255379000), (95, 212367800), (100, 201749410), (125, 161399528), (152, 132729875), (158, 127689500), (190, 106183900), (200, 100874705), (250, 80699764), (316, 63844750), (380, 53091950), (395, 51075800), (475, 42473560), (500, 40349882), (632, 31922375), (760, 26545975), (790, 25537900), (950, 21236780), (1000, 20174941), (1501, 13441000), (1580, 12768950), (1900, 10618390), (1975, 10215160), (2375, 8494712), (3002, 6720500), (3160, 6384475), (3800, 5309195), (3950, 5107580), (4750, 4247356), (6004, 3360250), (7505, 2688200), (7900, 2553790), (9500, 2123678), (9875, 2043032), (12008, 1680125), (13441, 1501000), (15010, 1344100), (15800, 1276895), (19000, 1061839), (19750, 1021516), (26882, 750500), (30020, 672050), (37525, 537640), (39500, 510758), (53764, 375250), (60040, 336025), (67205, 300200), (75050, 268820), (79000, 255379), (107528, 187625), (134410, 150100)]