4280452642420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{13720279}}^1$

素因数の和:13721128

約数の個数: 48

約数和(自身を含む): 9473578934400

約数和(自身を除く): 5193126291980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 821, 1642, 3284, 4105, 8210, 15599, 16420, 31198, 62396, 77995, 155990, 311980, 13720279, 27440558, 54881116, 68601395, 137202790, 260685301, 274405580, 521370602, 1042741204, 1303426505, 2606853010, 5213706020, 11264349059, 22528698118, 45057396236, 56321745295, 112643490590, 214022632121, 225286981180, 428045264242, 856090528484, 1070113160605, 2140226321210, 4280452642420]

約数ペア:

[(1, 4280452642420), (2, 2140226321210), (4, 1070113160605), (5, 856090528484), (10, 428045264242), (19, 225286981180), (20, 214022632121), (38, 112643490590), (76, 56321745295), (95, 45057396236), (190, 22528698118), (380, 11264349059), (821, 5213706020), (1642, 2606853010), (3284, 1303426505), (4105, 1042741204), (8210, 521370602), (15599, 274405580), (16420, 260685301), (31198, 137202790), (62396, 68601395), (77995, 54881116), (155990, 27440558), (311980, 13720279)]