84874520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{617}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 202456800

約数和(自身を除く): 117582280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 181, 190, 362, 380, 617, 724, 760, 905, 1234, 1448, 1810, 2468, 3085, 3439, 3620, 4936, 6170, 6878, 7240, 11723, 12340, 13756, 17195, 23446, 24680, 27512, 34390, 46892, 58615, 68780, 93784, 111677, 117230, 137560, 223354, 234460, 446708, 468920, 558385, 893416, 1116770, 2121863, 2233540, 4243726, 4467080, 8487452, 10609315, 16974904, 21218630, 42437260, 84874520]

約数ペア:

[(1, 84874520), (2, 42437260), (4, 21218630), (5, 16974904), (8, 10609315), (10, 8487452), (19, 4467080), (20, 4243726), (38, 2233540), (40, 2121863), (76, 1116770), (95, 893416), (152, 558385), (181, 468920), (190, 446708), (362, 234460), (380, 223354), (617, 137560), (724, 117230), (760, 111677), (905, 93784), (1234, 68780), (1448, 58615), (1810, 46892), (2468, 34390), (3085, 27512), (3439, 24680), (3620, 23446), (4936, 17195), (6170, 13756), (6878, 12340), (7240, 11723)]