66954100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 154677600

約数和(自身を除く): 87723500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 131, 190, 262, 269, 380, 475, 524, 538, 655, 950, 1076, 1310, 1345, 1900, 2489, 2620, 2690, 3275, 4978, 5111, 5380, 6550, 6725, 9956, 10222, 12445, 13100, 13450, 20444, 24890, 25555, 26900, 35239, 49780, 51110, 62225, 70478, 102220, 124450, 127775, 140956, 176195, 248900, 255550, 352390, 511100, 669541, 704780, 880975, 1339082, 1761950, 2678164, 3347705, 3523900, 6695410, 13390820, 16738525, 33477050, 66954100]

約数ペア:

[(1, 66954100), (2, 33477050), (4, 16738525), (5, 13390820), (10, 6695410), (19, 3523900), (20, 3347705), (25, 2678164), (38, 1761950), (50, 1339082), (76, 880975), (95, 704780), (100, 669541), (131, 511100), (190, 352390), (262, 255550), (269, 248900), (380, 176195), (475, 140956), (524, 127775), (538, 124450), (655, 102220), (950, 70478), (1076, 62225), (1310, 51110), (1345, 49780), (1900, 35239), (2489, 26900), (2620, 25555), (2690, 24890), (3275, 20444), (4978, 13450), (5111, 13100), (5380, 12445), (6550, 10222), (6725, 9956)]