4490820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 13879320

約数和(自身を除く): 9388500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 409, 549, 610, 732, 818, 915, 1098, 1220, 1227, 1636, 1830, 2045, 2196, 2454, 2745, 3660, 3681, 4090, 4908, 5490, 6135, 7362, 8180, 10980, 12270, 14724, 18405, 24540, 24949, 36810, 49898, 73620, 74847, 99796, 124745, 149694, 224541, 249490, 299388, 374235, 449082, 498980, 748470, 898164, 1122705, 1496940, 2245410, 4490820]

約数ペア:

[(1, 4490820), (2, 2245410), (3, 1496940), (4, 1122705), (5, 898164), (6, 748470), (9, 498980), (10, 449082), (12, 374235), (15, 299388), (18, 249490), (20, 224541), (30, 149694), (36, 124745), (45, 99796), (60, 74847), (61, 73620), (90, 49898), (122, 36810), (180, 24949), (183, 24540), (244, 18405), (305, 14724), (366, 12270), (409, 10980), (549, 8180), (610, 7362), (732, 6135), (818, 5490), (915, 4908), (1098, 4090), (1220, 3681), (1227, 3660), (1636, 2745), (1830, 2454), (2045, 2196)]