74387090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 146966400

約数和(自身を除く): 72579310

約数列:

[1, 2, 5, 10, 19, 38, 53, 83, 89, 95, 106, 166, 178, 190, 265, 415, 445, 530, 830, 890, 1007, 1577, 1691, 2014, 3154, 3382, 4399, 4717, 5035, 7387, 7885, 8455, 8798, 9434, 10070, 14774, 15770, 16910, 21995, 23585, 36935, 43990, 47170, 73870, 83581, 89623, 140353, 167162, 179246, 280706, 391511, 417905, 448115, 701765, 783022, 835810, 896230, 1403530, 1957555, 3915110, 7438709, 14877418, 37193545, 74387090]

約数ペア:

[(1, 74387090), (2, 37193545), (5, 14877418), (10, 7438709), (19, 3915110), (38, 1957555), (53, 1403530), (83, 896230), (89, 835810), (95, 783022), (106, 701765), (166, 448115), (178, 417905), (190, 391511), (265, 280706), (415, 179246), (445, 167162), (530, 140353), (830, 89623), (890, 83581), (1007, 73870), (1577, 47170), (1691, 43990), (2014, 36935), (3154, 23585), (3382, 21995), (4399, 16910), (4717, 15770), (5035, 14774), (7387, 10070), (7885, 9434), (8455, 8798)]