194940

素因数分解:

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

素因数の和:56

約数の個数: 72

約数和(自身を含む): 640080

約数和(自身を除く): 445140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 361, 380, 513, 540, 570, 684, 722, 855, 1026, 1083, 1140, 1444, 1710, 1805, 2052, 2166, 2565, 3249, 3420, 3610, 4332, 5130, 5415, 6498, 7220, 9747, 10260, 10830, 12996, 16245, 19494, 21660, 32490, 38988, 48735, 64980, 97470, 194940]

約数ペア:

[(1, 194940), (2, 97470), (3, 64980), (4, 48735), (5, 38988), (6, 32490), (9, 21660), (10, 19494), (12, 16245), (15, 12996), (18, 10830), (19, 10260), (20, 9747), (27, 7220), (30, 6498), (36, 5415), (38, 5130), (45, 4332), (54, 3610), (57, 3420), (60, 3249), (76, 2565), (90, 2166), (95, 2052), (108, 1805), (114, 1710), (135, 1444), (171, 1140), (180, 1083), (190, 1026), (228, 855), (270, 722), (285, 684), (342, 570), (361, 540), (380, 513)]