3908431640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:625

約数の個数: 128

約数和(自身を含む): 9345024000

約数和(自身を除く): 5436592360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 199, 235, 248, 310, 337, 376, 398, 470, 620, 674, 796, 940, 995, 1240, 1348, 1457, 1592, 1685, 1880, 1990, 2696, 2914, 3370, 3980, 5828, 6169, 6740, 7285, 7960, 9353, 10447, 11656, 12338, 13480, 14570, 15839, 18706, 20894, 24676, 29140, 30845, 31678, 37412, 41788, 46765, 49352, 52235, 58280, 61690, 63356, 67063, 74824, 79195, 83576, 93530, 104470, 123380, 126712, 134126, 158390, 187060, 208940, 246760, 268252, 289943, 316780, 335315, 374120, 417880, 491009, 536504, 579886, 633560, 670630, 982018, 1159772, 1341260, 1449715, 1964036, 2078953, 2319544, 2455045, 2682520, 2899430, 3151961, 3928072, 4157906, 4910090, 5798860, 6303922, 8315812, 9820180, 10394765, 11597720, 12607844, 15759805, 16631624, 19640360, 20789530, 25215688, 31519610, 41579060, 63039220, 83158120, 97710791, 126078440, 195421582, 390843164, 488553955, 781686328, 977107910, 1954215820, 3908431640]

約数ペア:

[(1, 3908431640), (2, 1954215820), (4, 977107910), (5, 781686328), (8, 488553955), (10, 390843164), (20, 195421582), (31, 126078440), (40, 97710791), (47, 83158120), (62, 63039220), (94, 41579060), (124, 31519610), (155, 25215688), (188, 20789530), (199, 19640360), (235, 16631624), (248, 15759805), (310, 12607844), (337, 11597720), (376, 10394765), (398, 9820180), (470, 8315812), (620, 6303922), (674, 5798860), (796, 4910090), (940, 4157906), (995, 3928072), (1240, 3151961), (1348, 2899430), (1457, 2682520), (1592, 2455045), (1685, 2319544), (1880, 2078953), (1990, 1964036), (2696, 1449715), (2914, 1341260), (3370, 1159772), (3980, 982018), (5828, 670630), (6169, 633560), (6740, 579886), (7285, 536504), (7960, 491009), (9353, 417880), (10447, 374120), (11656, 335315), (12338, 316780), (13480, 289943), (14570, 268252), (15839, 246760), (18706, 208940), (20894, 187060), (24676, 158390), (29140, 134126), (30845, 126712), (31678, 123380), (37412, 104470), (41788, 93530), (46765, 83576), (49352, 79195), (52235, 74824), (58280, 67063), (61690, 63356)]