78335380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1031}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 171642240

約数和(自身を除く): 93306860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 131, 145, 262, 290, 524, 580, 655, 1031, 1310, 2062, 2620, 3799, 4124, 5155, 7598, 10310, 15196, 18995, 20620, 29899, 37990, 59798, 75980, 119596, 135061, 149495, 270122, 298990, 540244, 597980, 675305, 1350610, 2701220, 3916769, 7833538, 15667076, 19583845, 39167690, 78335380]

約数ペア:

[(1, 78335380), (2, 39167690), (4, 19583845), (5, 15667076), (10, 7833538), (20, 3916769), (29, 2701220), (58, 1350610), (116, 675305), (131, 597980), (145, 540244), (262, 298990), (290, 270122), (524, 149495), (580, 135061), (655, 119596), (1031, 75980), (1310, 59798), (2062, 37990), (2620, 29899), (3799, 20620), (4124, 18995), (5155, 15196), (7598, 10310)]