208623420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61001}}^1$

素因数の和:61035

約数の個数: 72

約数和(自身を含む): 666141840

約数和(自身を除く): 457518420

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, 1710, 3420, 61001, 122002, 183003, 244004, 305005, 366006, 549009, 610010, 732012, 915015, 1098018, 1159019, 1220020, 1830030, 2196036, 2318038, 2745045, 3477057, 3660060, 4636076, 5490090, 5795095, 6954114, 10431171, 10980180, 11590190, 13908228, 17385285, 20862342, 23180380, 34770570, 41724684, 52155855, 69541140, 104311710, 208623420]

約数ペア:

[(1, 208623420), (2, 104311710), (3, 69541140), (4, 52155855), (5, 41724684), (6, 34770570), (9, 23180380), (10, 20862342), (12, 17385285), (15, 13908228), (18, 11590190), (19, 10980180), (20, 10431171), (30, 6954114), (36, 5795095), (38, 5490090), (45, 4636076), (57, 3660060), (60, 3477057), (76, 2745045), (90, 2318038), (95, 2196036), (114, 1830030), (171, 1220020), (180, 1159019), (190, 1098018), (228, 915015), (285, 732012), (342, 610010), (380, 549009), (570, 366006), (684, 305005), (855, 244004), (1140, 183003), (1710, 122002), (3420, 61001)]