42204220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 90927648

約数和(自身を除く): 48723428

約数列:

[1, 2, 4, 5, 10, 20, 73, 137, 146, 211, 274, 292, 365, 422, 548, 685, 730, 844, 1055, 1370, 1460, 2110, 2740, 4220, 10001, 15403, 20002, 28907, 30806, 40004, 50005, 57814, 61612, 77015, 100010, 115628, 144535, 154030, 200020, 289070, 308060, 578140, 2110211, 4220422, 8440844, 10551055, 21102110, 42204220]

約数ペア:

[(1, 42204220), (2, 21102110), (4, 10551055), (5, 8440844), (10, 4220422), (20, 2110211), (73, 578140), (137, 308060), (146, 289070), (211, 200020), (274, 154030), (292, 144535), (365, 115628), (422, 100010), (548, 77015), (685, 61612), (730, 57814), (844, 50005), (1055, 40004), (1370, 30806), (1460, 28907), (2110, 20002), (2740, 15403), (4220, 10001)]