4004820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1205

約数の個数: 72

約数和(自身を含む): 12798240

約数和(自身を除く): 8793420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1171, 1710, 2342, 3420, 3513, 4684, 5855, 7026, 10539, 11710, 14052, 17565, 21078, 22249, 23420, 35130, 42156, 44498, 52695, 66747, 70260, 88996, 105390, 111245, 133494, 200241, 210780, 222490, 266988, 333735, 400482, 444980, 667470, 800964, 1001205, 1334940, 2002410, 4004820]

約数ペア:

[(1, 4004820), (2, 2002410), (3, 1334940), (4, 1001205), (5, 800964), (6, 667470), (9, 444980), (10, 400482), (12, 333735), (15, 266988), (18, 222490), (19, 210780), (20, 200241), (30, 133494), (36, 111245), (38, 105390), (45, 88996), (57, 70260), (60, 66747), (76, 52695), (90, 44498), (95, 42156), (114, 35130), (171, 23420), (180, 22249), (190, 21078), (228, 17565), (285, 14052), (342, 11710), (380, 10539), (570, 7026), (684, 5855), (855, 4684), (1140, 3513), (1171, 3420), (1710, 2342)]