74779820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 174182400

約数和(自身を除く): 99402580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 53, 76, 79, 94, 95, 106, 158, 188, 190, 212, 235, 265, 316, 380, 395, 470, 530, 790, 893, 940, 1007, 1060, 1501, 1580, 1786, 2014, 2491, 3002, 3572, 3713, 4028, 4187, 4465, 4982, 5035, 6004, 7426, 7505, 8374, 8930, 9964, 10070, 12455, 14852, 15010, 16748, 17860, 18565, 20140, 20935, 24910, 30020, 37130, 41870, 47329, 49820, 70547, 74260, 79553, 83740, 94658, 141094, 159106, 189316, 196789, 236645, 282188, 318212, 352735, 393578, 397765, 473290, 705470, 787156, 795530, 946580, 983945, 1410940, 1591060, 1967890, 3738991, 3935780, 7477982, 14955964, 18694955, 37389910, 74779820]

約数ペア:

[(1, 74779820), (2, 37389910), (4, 18694955), (5, 14955964), (10, 7477982), (19, 3935780), (20, 3738991), (38, 1967890), (47, 1591060), (53, 1410940), (76, 983945), (79, 946580), (94, 795530), (95, 787156), (106, 705470), (158, 473290), (188, 397765), (190, 393578), (212, 352735), (235, 318212), (265, 282188), (316, 236645), (380, 196789), (395, 189316), (470, 159106), (530, 141094), (790, 94658), (893, 83740), (940, 79553), (1007, 74260), (1060, 70547), (1501, 49820), (1580, 47329), (1786, 41870), (2014, 37130), (2491, 30020), (3002, 24910), (3572, 20935), (3713, 20140), (4028, 18565), (4187, 17860), (4465, 16748), (4982, 15010), (5035, 14852), (6004, 12455), (7426, 10070), (7505, 9964), (8374, 8930)]