420219086

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:849

約数の個数: 64

約数和(自身を含む): 792529920

約数和(自身を除く): 372310834

約数列:

[1, 2, 7, 14, 19, 38, 41, 53, 82, 106, 133, 266, 287, 371, 574, 727, 742, 779, 1007, 1454, 1558, 2014, 2173, 4346, 5089, 5453, 7049, 10178, 10906, 13813, 14098, 15211, 27626, 29807, 30422, 38531, 41287, 59614, 77062, 82574, 96691, 193382, 208649, 269717, 289009, 417298, 539434, 566333, 578018, 732089, 1132666, 1464178, 1579771, 3159542, 3964331, 5124623, 7928662, 10249246, 11058397, 22116794, 30015649, 60031298, 210109543, 420219086]

約数ペア:

[(1, 420219086), (2, 210109543), (7, 60031298), (14, 30015649), (19, 22116794), (38, 11058397), (41, 10249246), (53, 7928662), (82, 5124623), (106, 3964331), (133, 3159542), (266, 1579771), (287, 1464178), (371, 1132666), (574, 732089), (727, 578018), (742, 566333), (779, 539434), (1007, 417298), (1454, 289009), (1558, 269717), (2014, 208649), (2173, 193382), (4346, 96691), (5089, 82574), (5453, 77062), (7049, 59614), (10178, 41287), (10906, 38531), (13813, 30422), (14098, 29807), (15211, 27626)]