29118260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 66888360

約数和(自身を除く): 37770100

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 109, 148, 185, 190, 218, 361, 370, 380, 436, 545, 703, 722, 740, 1090, 1406, 1444, 1805, 2071, 2180, 2812, 3515, 3610, 4033, 4142, 7030, 7220, 8066, 8284, 10355, 13357, 14060, 16132, 20165, 20710, 26714, 39349, 40330, 41420, 53428, 66785, 76627, 78698, 80660, 133570, 153254, 157396, 196745, 267140, 306508, 383135, 393490, 766270, 786980, 1455913, 1532540, 2911826, 5823652, 7279565, 14559130, 29118260]

約数ペア:

[(1, 29118260), (2, 14559130), (4, 7279565), (5, 5823652), (10, 2911826), (19, 1532540), (20, 1455913), (37, 786980), (38, 766270), (74, 393490), (76, 383135), (95, 306508), (109, 267140), (148, 196745), (185, 157396), (190, 153254), (218, 133570), (361, 80660), (370, 78698), (380, 76627), (436, 66785), (545, 53428), (703, 41420), (722, 40330), (740, 39349), (1090, 26714), (1406, 20710), (1444, 20165), (1805, 16132), (2071, 14060), (2180, 13357), (2812, 10355), (3515, 8284), (3610, 8066), (4033, 7220), (4142, 7030)]