72018550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2$

素因数の和:158

約数の個数: 72

約数和(自身を含む): 147881160

約数和(自身を除く): 75862610

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 43, 50, 82, 86, 95, 190, 205, 215, 410, 430, 475, 779, 817, 950, 1025, 1075, 1558, 1634, 1763, 1849, 2050, 2150, 3526, 3698, 3895, 4085, 7790, 8170, 8815, 9245, 17630, 18490, 19475, 20425, 33497, 35131, 38950, 40850, 44075, 46225, 66994, 70262, 75809, 88150, 92450, 151618, 167485, 175655, 334970, 351310, 379045, 758090, 837425, 878275, 1440371, 1674850, 1756550, 1895225, 2880742, 3790450, 7201855, 14403710, 36009275, 72018550]

約数ペア:

[(1, 72018550), (2, 36009275), (5, 14403710), (10, 7201855), (19, 3790450), (25, 2880742), (38, 1895225), (41, 1756550), (43, 1674850), (50, 1440371), (82, 878275), (86, 837425), (95, 758090), (190, 379045), (205, 351310), (215, 334970), (410, 175655), (430, 167485), (475, 151618), (779, 92450), (817, 88150), (950, 75809), (1025, 70262), (1075, 66994), (1558, 46225), (1634, 44075), (1763, 40850), (1849, 38950), (2050, 35131), (2150, 33497), (3526, 20425), (3698, 19475), (3895, 18490), (4085, 17630), (7790, 9245), (8170, 8815)]