48793900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 113551760

約数和(自身を除く): 64757860

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 122, 190, 244, 305, 380, 421, 475, 610, 842, 950, 1159, 1220, 1525, 1684, 1900, 2105, 2318, 3050, 4210, 4636, 5795, 6100, 7999, 8420, 10525, 11590, 15998, 21050, 23180, 25681, 28975, 31996, 39995, 42100, 51362, 57950, 79990, 102724, 115900, 128405, 159980, 199975, 256810, 399950, 487939, 513620, 642025, 799900, 975878, 1284050, 1951756, 2439695, 2568100, 4879390, 9758780, 12198475, 24396950, 48793900]

約数ペア:

[(1, 48793900), (2, 24396950), (4, 12198475), (5, 9758780), (10, 4879390), (19, 2568100), (20, 2439695), (25, 1951756), (38, 1284050), (50, 975878), (61, 799900), (76, 642025), (95, 513620), (100, 487939), (122, 399950), (190, 256810), (244, 199975), (305, 159980), (380, 128405), (421, 115900), (475, 102724), (610, 79990), (842, 57950), (950, 51362), (1159, 42100), (1220, 39995), (1525, 31996), (1684, 28975), (1900, 25681), (2105, 23180), (2318, 21050), (3050, 15998), (4210, 11590), (4636, 10525), (5795, 8420), (6100, 7999)]