78913940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 197406720

約数和(自身を除く): 118492780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 67, 70, 94, 134, 140, 179, 188, 235, 268, 329, 335, 358, 469, 470, 658, 670, 716, 895, 938, 940, 1253, 1316, 1340, 1645, 1790, 1876, 2345, 2506, 3149, 3290, 3580, 4690, 5012, 6265, 6298, 6580, 8413, 9380, 11993, 12530, 12596, 15745, 16826, 22043, 23986, 25060, 31490, 33652, 42065, 44086, 47972, 58891, 59965, 62980, 83951, 84130, 88172, 110215, 117782, 119930, 167902, 168260, 220430, 235564, 239860, 294455, 335804, 419755, 440860, 563671, 588910, 839510, 1127342, 1177820, 1679020, 2254684, 2818355, 3945697, 5636710, 7891394, 11273420, 15782788, 19728485, 39456970, 78913940]

約数ペア:

[(1, 78913940), (2, 39456970), (4, 19728485), (5, 15782788), (7, 11273420), (10, 7891394), (14, 5636710), (20, 3945697), (28, 2818355), (35, 2254684), (47, 1679020), (67, 1177820), (70, 1127342), (94, 839510), (134, 588910), (140, 563671), (179, 440860), (188, 419755), (235, 335804), (268, 294455), (329, 239860), (335, 235564), (358, 220430), (469, 168260), (470, 167902), (658, 119930), (670, 117782), (716, 110215), (895, 88172), (938, 84130), (940, 83951), (1253, 62980), (1316, 59965), (1340, 58891), (1645, 47972), (1790, 44086), (1876, 42065), (2345, 33652), (2506, 31490), (3149, 25060), (3290, 23986), (3580, 22043), (4690, 16826), (5012, 15745), (6265, 12596), (6298, 12530), (6580, 11993), (8413, 9380)]