78964600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 218189160

約数和(自身を除く): 139224560

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 100, 104, 110, 121, 130, 143, 200, 220, 242, 251, 260, 275, 286, 325, 440, 484, 502, 520, 550, 572, 605, 650, 715, 968, 1004, 1100, 1144, 1210, 1255, 1300, 1430, 1573, 2008, 2200, 2420, 2510, 2600, 2761, 2860, 3025, 3146, 3263, 3575, 4840, 5020, 5522, 5720, 6050, 6275, 6292, 6526, 7150, 7865, 10040, 11044, 12100, 12550, 12584, 13052, 13805, 14300, 15730, 16315, 22088, 24200, 25100, 26104, 27610, 28600, 30371, 31460, 32630, 35893, 39325, 50200, 55220, 60742, 62920, 65260, 69025, 71786, 78650, 81575, 110440, 121484, 130520, 138050, 143572, 151855, 157300, 163150, 179465, 242968, 276100, 287144, 303710, 314600, 326300, 358930, 394823, 552200, 607420, 652600, 717860, 759275, 789646, 897325, 1214840, 1435720, 1518550, 1579292, 1794650, 1974115, 3037100, 3158584, 3589300, 3948230, 6074200, 7178600, 7896460, 9870575, 15792920, 19741150, 39482300, 78964600]

約数ペア:

[(1, 78964600), (2, 39482300), (4, 19741150), (5, 15792920), (8, 9870575), (10, 7896460), (11, 7178600), (13, 6074200), (20, 3948230), (22, 3589300), (25, 3158584), (26, 3037100), (40, 1974115), (44, 1794650), (50, 1579292), (52, 1518550), (55, 1435720), (65, 1214840), (88, 897325), (100, 789646), (104, 759275), (110, 717860), (121, 652600), (130, 607420), (143, 552200), (200, 394823), (220, 358930), (242, 326300), (251, 314600), (260, 303710), (275, 287144), (286, 276100), (325, 242968), (440, 179465), (484, 163150), (502, 157300), (520, 151855), (550, 143572), (572, 138050), (605, 130520), (650, 121484), (715, 110440), (968, 81575), (1004, 78650), (1100, 71786), (1144, 69025), (1210, 65260), (1255, 62920), (1300, 60742), (1430, 55220), (1573, 50200), (2008, 39325), (2200, 35893), (2420, 32630), (2510, 31460), (2600, 30371), (2761, 28600), (2860, 27610), (3025, 26104), (3146, 25100), (3263, 24200), (3575, 22088), (4840, 16315), (5020, 15730), (5522, 14300), (5720, 13805), (6050, 13052), (6275, 12584), (6292, 12550), (6526, 12100), (7150, 11044), (7865, 10040)]