77669740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{659}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 167650560

約数和(自身を除く): 89980820

約数列:

[1, 2, 4, 5, 10, 20, 71, 83, 142, 166, 284, 332, 355, 415, 659, 710, 830, 1318, 1420, 1660, 2636, 3295, 5893, 6590, 11786, 13180, 23572, 29465, 46789, 54697, 58930, 93578, 109394, 117860, 187156, 218788, 233945, 273485, 467890, 546970, 935780, 1093940, 3883487, 7766974, 15533948, 19417435, 38834870, 77669740]

約数ペア:

[(1, 77669740), (2, 38834870), (4, 19417435), (5, 15533948), (10, 7766974), (20, 3883487), (71, 1093940), (83, 935780), (142, 546970), (166, 467890), (284, 273485), (332, 233945), (355, 218788), (415, 187156), (659, 117860), (710, 109394), (830, 93578), (1318, 58930), (1420, 54697), (1660, 46789), (2636, 29465), (3295, 23572), (5893, 13180), (6590, 11786)]