78566140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 182891520

約数和(自身を除く): 104325380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 53, 76, 83, 94, 95, 106, 166, 188, 190, 212, 235, 265, 332, 380, 415, 470, 530, 830, 893, 940, 1007, 1060, 1577, 1660, 1786, 2014, 2491, 3154, 3572, 3901, 4028, 4399, 4465, 4982, 5035, 6308, 7802, 7885, 8798, 8930, 9964, 10070, 12455, 15604, 15770, 17596, 17860, 19505, 20140, 21995, 24910, 31540, 39010, 43990, 47329, 49820, 74119, 78020, 83581, 87980, 94658, 148238, 167162, 189316, 206753, 236645, 296476, 334324, 370595, 413506, 417905, 473290, 741190, 827012, 835810, 946580, 1033765, 1482380, 1671620, 2067530, 3928307, 4135060, 7856614, 15713228, 19641535, 39283070, 78566140]

約数ペア:

[(1, 78566140), (2, 39283070), (4, 19641535), (5, 15713228), (10, 7856614), (19, 4135060), (20, 3928307), (38, 2067530), (47, 1671620), (53, 1482380), (76, 1033765), (83, 946580), (94, 835810), (95, 827012), (106, 741190), (166, 473290), (188, 417905), (190, 413506), (212, 370595), (235, 334324), (265, 296476), (332, 236645), (380, 206753), (415, 189316), (470, 167162), (530, 148238), (830, 94658), (893, 87980), (940, 83581), (1007, 78020), (1060, 74119), (1577, 49820), (1660, 47329), (1786, 43990), (2014, 39010), (2491, 31540), (3154, 24910), (3572, 21995), (3901, 20140), (4028, 19505), (4399, 17860), (4465, 17596), (4982, 15770), (5035, 15604), (6308, 12455), (7802, 10070), (7885, 9964), (8798, 8930)]