169720508750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{197063}}^1$

素因数の和:197151

約数の個数: 80

約数和(自身を含む): 349061039712

約数和(自身を除く): 179340530962

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 125, 130, 250, 265, 325, 530, 625, 650, 689, 1250, 1325, 1378, 1625, 2650, 3250, 3445, 6625, 6890, 8125, 13250, 16250, 17225, 33125, 34450, 66250, 86125, 172250, 197063, 394126, 430625, 861250, 985315, 1970630, 2561819, 4926575, 5123638, 9853150, 10444339, 12809095, 20888678, 24632875, 25618190, 49265750, 52221695, 64045475, 104443390, 123164375, 128090950, 135776407, 246328750, 261108475, 271552814, 320227375, 522216950, 640454750, 678882035, 1305542375, 1357764070, 1601136875, 2611084750, 3202273750, 3394410175, 6527711875, 6788820350, 13055423750, 16972050875, 33944101750, 84860254375, 169720508750]

約数ペア:

[(1, 169720508750), (2, 84860254375), (5, 33944101750), (10, 16972050875), (13, 13055423750), (25, 6788820350), (26, 6527711875), (50, 3394410175), (53, 3202273750), (65, 2611084750), (106, 1601136875), (125, 1357764070), (130, 1305542375), (250, 678882035), (265, 640454750), (325, 522216950), (530, 320227375), (625, 271552814), (650, 261108475), (689, 246328750), (1250, 135776407), (1325, 128090950), (1378, 123164375), (1625, 104443390), (2650, 64045475), (3250, 52221695), (3445, 49265750), (6625, 25618190), (6890, 24632875), (8125, 20888678), (13250, 12809095), (16250, 10444339), (17225, 9853150), (33125, 5123638), (34450, 4926575), (66250, 2561819), (86125, 1970630), (172250, 985315), (197063, 861250), (394126, 430625)]