4971160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 12211200

約数和(自身を除く): 7240040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 211, 248, 310, 380, 422, 589, 620, 760, 844, 1055, 1178, 1240, 1688, 2110, 2356, 2945, 4009, 4220, 4712, 5890, 6541, 8018, 8440, 11780, 13082, 16036, 20045, 23560, 26164, 32072, 32705, 40090, 52328, 65410, 80180, 124279, 130820, 160360, 248558, 261640, 497116, 621395, 994232, 1242790, 2485580, 4971160]

約数ペア:

[(1, 4971160), (2, 2485580), (4, 1242790), (5, 994232), (8, 621395), (10, 497116), (19, 261640), (20, 248558), (31, 160360), (38, 130820), (40, 124279), (62, 80180), (76, 65410), (95, 52328), (124, 40090), (152, 32705), (155, 32072), (190, 26164), (211, 23560), (248, 20045), (310, 16036), (380, 13082), (422, 11780), (589, 8440), (620, 8018), (760, 6541), (844, 5890), (1055, 4712), (1178, 4220), (1240, 4009), (1688, 2945), (2110, 2356)]