72351620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{911}}^1$

素因数の和:969

約数の個数: 72

約数和(自身を含む): 175125888

約数和(自身を除く): 102774268

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 722, 836, 911, 1045, 1444, 1805, 1822, 2090, 3610, 3644, 3971, 4180, 4555, 7220, 7942, 9110, 10021, 15884, 17309, 18220, 19855, 20042, 34618, 39710, 40084, 50105, 69236, 79420, 86545, 100210, 173090, 190399, 200420, 328871, 346180, 380798, 657742, 761596, 951995, 1315484, 1644355, 1903990, 3288710, 3617581, 3807980, 6577420, 7235162, 14470324, 18087905, 36175810, 72351620]

約数ペア:

[(1, 72351620), (2, 36175810), (4, 18087905), (5, 14470324), (10, 7235162), (11, 6577420), (19, 3807980), (20, 3617581), (22, 3288710), (38, 1903990), (44, 1644355), (55, 1315484), (76, 951995), (95, 761596), (110, 657742), (190, 380798), (209, 346180), (220, 328871), (361, 200420), (380, 190399), (418, 173090), (722, 100210), (836, 86545), (911, 79420), (1045, 69236), (1444, 50105), (1805, 40084), (1822, 39710), (2090, 34618), (3610, 20042), (3644, 19855), (3971, 18220), (4180, 17309), (4555, 15884), (7220, 10021), (7942, 9110)]