488978300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6277}}^1$

素因数の和:6351

約数の個数: 72

約数和(自身を含む): 1144353840

約数和(自身を除く): 655375540

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 76, 82, 95, 100, 164, 190, 205, 380, 410, 475, 779, 820, 950, 1025, 1558, 1900, 2050, 3116, 3895, 4100, 6277, 7790, 12554, 15580, 19475, 25108, 31385, 38950, 62770, 77900, 119263, 125540, 156925, 238526, 257357, 313850, 477052, 514714, 596315, 627700, 1029428, 1192630, 1286785, 2385260, 2573570, 2981575, 4889783, 5147140, 5963150, 6433925, 9779566, 11926300, 12867850, 19559132, 24448915, 25735700, 48897830, 97795660, 122244575, 244489150, 488978300]

約数ペア:

[(1, 488978300), (2, 244489150), (4, 122244575), (5, 97795660), (10, 48897830), (19, 25735700), (20, 24448915), (25, 19559132), (38, 12867850), (41, 11926300), (50, 9779566), (76, 6433925), (82, 5963150), (95, 5147140), (100, 4889783), (164, 2981575), (190, 2573570), (205, 2385260), (380, 1286785), (410, 1192630), (475, 1029428), (779, 627700), (820, 596315), (950, 514714), (1025, 477052), (1558, 313850), (1900, 257357), (2050, 238526), (3116, 156925), (3895, 125540), (4100, 119263), (6277, 77900), (7790, 62770), (12554, 38950), (15580, 31385), (19475, 25108)]